Archived Articles

These are some of the top recent articles on coin identification, bidding, buying and selling, with tips about common flaws, grading, holdering and more.

  • 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?

  • Identifying 1944-P/D/S Steel Cents

    1944 steel cents from all three US Mints are extremely rare transitional errors occurring when leftover 1943 zinc-coated steel planchets became stuck in annealing furnaces, tote bins or coining presses. Because of their rarity, however–a few dozen have been actually found and authenticated–there are thousands of counterfeits, altered dates and copies flooding online coin venues.

  • AI Gone Wild: “It Takes the Glare off” Coin Images!

    By Jack D. Young for Proxiblog A couple of my current sayings–“Only on the Bay” and “You can’t make this stuff up”–certainly apply to this article. A good friend and half cent expert sent me a PM with a current eBay half cent link and asked if I saw what he did–pure gibberish in the…

  • Woody vs. Roller Marks

    A woody or woodgrain marks on a cent is caused by an improper alloy mix whereas similar marks are caused by dirty rollers at the mint. Woodies are collectible. Roller marks are not.

  • 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.

  • Special W-Mintmark Coins

    Special issue coins typically are made for collectors and have special designations, devices and mintmarks. Ones featured here are readily available. Some hobbyists collect all of them.

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