15 Transitional Errors. Do You Know Them?


One of the most accessed Proxiblog articles–thousands, each week–concerns the transitional error 1982-D Small Date bronze cent. But did you know there are 15 famous transitional errors in which the wrong planchet was used during production?

They are happened the same way: The wrong planchet got stuck in a hopper or production bin and somehow was shaken loose and struck.

Here are examples:

1943 Bronze Cents

When the Mint switched from zinc-coated steel cents in 1943, some 30 examples were minted with copper planchets. Each has specific markers, including the date.


To see all the markers for the 1943-P, 20-30 specimens; 1943-D and 1943-S, click here.

1944 Steel Cents

Just as in 1943, the wrong planchet–this time steel cents–got into the hoppers of 1944 bronze planchets. About 30 specimens are estimated to have left the mint.

To see all the markers for the 1944-P, 1943-D and 1943-S, click here.


One of the rarest, next to the 1943-D copper cent (only one example found), is the 1982-D Small Date bronze cent. Only two examples have been found.

1982-D Small Date Bronze Cent

One of the rarest ultra rarities with only two found in 2016 and 2019, the 1982-D Small Date 3.1 grams continues to be one of the most sought-after coins, primarily because social media publicized it across online venues, including YouTube and Facebook.


Again, markers are important–not only the weight. Here’s a quick illustration about Small Date and two aspects of the number “2” on the date.


To read more about these markers, click here.

1965 Silver Dimes

This rarity occurred when 1964 90% silver planchets got into 1965 copper-nickel clad dimes. At the time the Mint was producing both 1964 silver coins and 1965 clad coins, a small number of silver blanks got into feeder bins. Between 20-100 of the rarity may have escaped into circulation.


To determine if you found the rarity, look at the edge. If you see a copper stripe, you have the clad dime. If you can’t see the stripe, weigh it. A clad dime weighs 2.27 grams; the silver dime, 2.5 grams.

1965 Silver Quarter

The same thing happened with quarters as with the dime above. Some leftover 1964 silver planchets got into 1965 clad hoppers. Fewer than 20 left the Mints.


Again, look at the edge. If you see a copper stripe, you have the common clad quarter. If not, weigh it. A clad quarter weighs 5.67 grams whereas a silver one weighs 6.25 grams.

1977-D Silver Clad Quarter

This transitional error happened when a few–estimates are a dozen or so–40% silver Bicentennial planchets, again left over from previous production, got into the wrong hopper.


Again, do the edge and weight tests. If you see a copper stripe on the edge, you have clad quarter. If not, weigh it. A clad quarter weighs 5.67 grams; the transitional error, 5.75 grams.

1965 Half Dollar on Cupra Planchet

In 1965, the Mint struck both silver-clad half dollars and other denominations (like dimes or quarters above). Because both metal stocks were being processed and held simultaneously in the same facility, stray copper-nickel planchets were accidentally fed into the half dollar coining press.


Again, do the edge test on this. You should see a copper stripe. Weigh it on a digital scale. A standard 1965 40% silver-clad half dollar weighs (11.5) grams, the cupra error, significantly less, based on the strike (typically 11 grams or less).

1971-D and 1977-D 40% Silver Kennedy Half Dollars

When the half dollar went clad in 1971, leftover 40% silver planchets from 1970 were struck on this error coin. When the Mint struck 1976 40% silver halves, again a few planchets made it into the 1977 Denver facility. The clad half should show a copper stripe on the edge. If you don’t see that, weigh the coin: A common 1971 and 1977 Kennedy half dollar weighs 11.34 grams; a 40% silver 1971-D or 1977-D, 11.50 grams


Fewer than 30 of these may have made it into circulation.

1974-D and 1977-D Silver Clad Eisenhower Dollars

In 1973, the San Francisco Mint struck both copper-nickel and 40% silver-clad dollars. Some silver planchets were rejected because of poor strikes. These got into the 1974-D barrels and were mistakenly struck on 40% planchets. In 1976, the Mint produced 40% silver Bicentennial Ike dollars. Again, some of the leftovers got into the 1977-D bins.

You can do the edge and weight test on the 1974-D and 1977-D dollars. Edge should show copper stripe. If so, the weight will be 22.68 grams. If you don’t see the stripe, the weight for the transitional error will be 24.59 grams.

Fewer than 15-30 of these are believed to have made it into circulation.

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You can find more information about types, varieties, errors, grading, bidding and buying in Coin News Updated: The Essential Guide to Online Bidding. Please consider buying or gifting the work for a friend, as it underwrites this hobbyist blog. Thank you.

1982-D Small Date Cent Scam


There are all manner of scams by people looking to cash in on collectors who do not know markers for ultra rarities. And when it comes to the 1982-D Small Date Bronze transitional error, there is a desperation by newbies educated by clickbait social media that the third example is out there in pocket change.

Sellers take advantage of such ignorance.

If you are interested in an article about the various types of 1982 cents, including all markers for the transitional error, click here.

But let’s cut to the chase with basic knowledge.

Only two 1982-D Small Date 3.1 grams have been found.


Here’s how they look close up.


Here are markers for the small date.


DO NOT bid or buy any coin that is placed on a scale reading 3.1. You’ll be buying a zinc small date, of little or no value. Or a coin on tinkered scale.


You will see several examples on eBay of sellers showing a regular 1982-D large date bronze cent in a PCGS holder. Sellers think if they claim a regular strike is the small date, you’ll believe it, only because it is holdered by PCGS and you don’t know the markers.

Here’s an example:


Here’s how to decipher.

There are two numbers below the condition. In this case below, 146021.58, means two things: 146021 goes to the CoinFacts designation and the 58, the condition, AU58. In the image below, you can see that the 146021 goes to the regular large date strike.


Here’s another example with the seller claiming this large date is a small date. Again, the 146021 gives it away.


The seller of the above coin did not take kindly to my message that this is a scam.


He doesn’t like his time being wasted. He just wants to waste your money.

Ultra rarities are not found in pocket change; when one is, that becomes a national news story. If you think you found one, do not post it on social media and claim authenticity. If you are so sure, send it to PCGS, NGC, ANACS or CAC. And if you want to buy an ultra rarity, make sure you know how to read the holder company label.

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Proxiblog also has thousands of followers on Facebook Coin Groups, YouTube and other social media. To get the latest discussion and commentary, be sure to friend us by clicking here.

You can find more information about types, varieties, errors, grading, bidding and buying in Coin News Updated: The Essential Guide to Online Bidding. Please consider buying or gifting the work for a friend, as it underwrites this hobbyist blog. Thank you.

AI can compose false rarity affirmation


Recently a Facebook coin group member posted a notice stating that he had found the coveted 1982-D Small Date bronze cent–verified by PCGS! Only two have been discovered, in 1916 and 1919, although social media has used the rarity to lure newbies into thinking that have the variety or that it can easily be found.

Here is what he wrote:

“This right here is for everyone that doubted me … chew that up and swallow it. no I’m not gonna be a jerk. I’m super excited. I have proved the 1982D small date with the weak D mint mark and a QDO. And a TDR it has now been verified and authenticated by PCGS as a new variety.”

He provided this proof:


Some 180 Facebook coin group members commented on his post. Here’s a snippet with Tyler Broughton noting the inconsistencies of his supposed PCGS email:


True, the person may be just hoping his submission brings the desired result. We all have been there. But what to make of the letter? It is seemingly informed and may have convinced viewers that indeed, the person did find the rarity. Many commentators congratulated him on his lottery-level find.

Without divulging his name, or the Facebook post and email, I contacted PCGS. A representative confirmed that the company would never send an email like this in advance of encapsulation. There is no Express/Gold service level. There is no Variety/Plus team (that’s NGC). Neither would it divulge internal means of certification.

Let’s take a breath.

It may be that this person indeed found a rarity. For his sake, let’s give him the benefit of the doubt. Perhaps he so believes in his diagnostics that he is sharing the good news before he gets any news. That, however, is not the point of this article. This is: How do we as hobbyists deal with a verification email that might sway us to believe that a coin, indeed, is an ultra rarity? Suppose we saw an email like this on a coin that we might want to purchase? Is this a new way to fool hobbyists?

Let’s see if AI can pretend to be from PCGS and report a rare find.

I used ChatGPT. I fed AI a few basic facts, the rarity, the date of submission, the service level and a few other details. It took me 2 minutes. Here’s what I received:


This is a chilling discovery–not of a rarity–but of how a rarity can be disguised with a fake email or letter, courtesy of AI. I won’t do this, but I could have found PCGS letterhead and pasted the above there. I could invent an email from PCGS–even with an employee name. I could no any number of things, and machine intelligence would help me.

We as hobbyists have to be on top of every new method to beguile us. This may only be the start with AI providing fictional text, video and images of our fondest numismatic desires.

If you like posts like this, subscribe so you can be informed whenever there is a new article or column.

Proxiblog also has thousands of followers on Facebook Coin Groups and other social media. To get the latest discussion and commentary, be sure to friend us by clicking here.

You can find more information about types, varieties, errors, grading, bidding and buying in Coin News Updated: The Essential Guide to Online Bidding. Please consider buying or gifting the work for a friend, as it underwrites this hobbyist blog. Thank you.

See Our Top 3 Articles

Odds of Finding Ultra Rarities


Clickbait social media sites have tricked new coin collectors into believing they can find ultra rarities in pocket change and bank rolls. What are the odds?

We’ll calculate those odds later. But here’s the list of what you in all likelihood will never find:

  • 1974-D Aluminum Cent
  • 1943-D Copper Cent
  • 1944-S Steel Cent
  • 1982-D Small Date 3.1 grams
  • 1943-S Copper Cent
  • 1944-D Steel Cent
  • 1983/83-D Copper Cent
  • 2000 Sacagawea Mule
  • 1944 Steel Cent
  • 1943 Copper Cent
  • 1969-S DDO Cent
  • 1971-D DDO Cent

Social media scammers also proclaim “no mintmark” coins are rarities. No mintmark means minted in Philadelphia; missing mintmark is the rarity. Again, later in the article, we will show you just how many of these rarities are believed minted:

  • 1968 No S Proof Dime
  • 1990 No S Lincoln Cent
  • 1970 No S Roosevelt Proof Dime
  • 1975 No S Roosevelt Proof Dime
  • 1983 No S Roosevelt Proof Dime
  • 1971 No S Jefferson Proof Nickel
  • 1976 No S Eisenhower Proof Dollar
  • 1982 No P Mintmark

But not to despair! There are hundreds of findable rarities in rolls and pocket change. They won’t make you rich, but will make you a coin collector–a true hobbyist–who knows how to spend time wisely.

Clickbait Social Media

Scammers on Facebook and YouTube foster the belief you can get rich and retire with pocket change.

Here’s a sample YouTube video:


There are only 5 known 1943-S Copper Cents. People have been checking their change and bank rolls for 70 years. To calculate odds of your finding one, factor this: some 125 million Americans consider themselves coin collectors to some degree. Twenty percent of Millennials, or 14.5 million, have taken a keen interest in numismatics.

New collectors have purchased coin microscopes and visit TikTok, Google, YouTube, eBay, Facebook and other social media venues, believing they can strike it rich by checking their change at the grocery store or making several trips to the bank for rolls.

Now consider the past 50-70 years of Americans collecting coins and looking for ultra rarities like 1943 copper cents or 1944 steel ones. What do you think the odds are of your finding one of them?

Now factor the hundreds of thousands of fake ultra rarities exported to the US by China. These often find themselves in rolls and auctions. Etsy, an American company flooded with Chinese sellers, and Temu, a Chinese company, also have saturated the coin market place with replicas. See this article for examples.

AI Calculates Odds

In addition to being a numismatist, I am a distinguished professor (actual title) emeritus at an institution of science and technology. My research specialty is artificial intelligence. I fed data into several sites and databases to calculate the odds of your finding one of these treasures.

In the table below, you will see those top 12 rarest coins and their values along with the odds of your finding one in pocket change or bank rolls.

Brace yourself:


Social media is undermining the hobby along with Chinese counterfeiters who count on your not knowing die markers for rarities. If you don’t, you can spend thousands on replicas.

Some examples:

Just consider the 1943-S restrike copper cent offerings on Etsy:


eBay scammers buy these restrikes and then list them as ultra rarities. Here’s an example:


You also can find “missing mintmark” rarities in online auctions

Missing Mintmarks

The Philadelphia Mint did not use a mint mark on coins until 1980, with the exception of the 1979 Susan B. Anthony dollar, 1942-45 35% silver Jefferson war nickels, and the 2017 Lincoln 225th anniversary cent.

Here’s another table about how many missing mint mark coins are believed to have been released into circulation.


Here are tactics of counterfeiters and scammers:

  • Altering Normal Coins: Forgers might take a regular dime and try to remove the mintmark.
  • Tooling: Look for signs of filing or polishing where the mintmark should be.
  • Fake “No-S” Proofs: A common tactic is to take a regular business strike (like a 1970-S) and try to remove the ‘S’ to pass it off as the rare proof version.

If you would like to learn more about the above missing mint mark coins, click here for a full article.

Findable Rarities

There are hundreds of varieties and error coins that hobbyists still can find in pocket change in bank rolls and that are holdered by PCGS, NGC and ANACS. For a comprehensive list, click here.

Coin collecting is in part about value and investment. The difference between now and past decades is where new hobbyists are getting misinformation. In the past, most numismatists embraced the hobby because of the history, art, culture and metallurgy of coins, medals and paper money.

That is why Proxiblog recommends these three articles for new hobbyists:

HOW TO COLLECT COINS *** HOW TO GRADE COINS *** HOW TO SELL COINS


If you like posts like this, subscribe so you can be informed whenever there is a new article or column.

Proxiblog also has thousands of followers on Facebook Coin Groups, YouTube and social media. To get the latest discussion and commentary, be sure to friend us by clicking here.

You can find more information about types, varieties, errors, grading, bidding and buying in Coin News Updated: The Essential Guide to Online Bidding. Please consider buying or gifting the work for a friend, as it underwrites this hobbyist blog. Thank you.