Popular Articles

Below find a list of popular Proxiblog articles beginning with the most recent. You can also find other past popular articles that may have fallen off the charts but are archived here for your perusal. Scroll down to see new and past articles.

Machine v. Hub Doubling
The Dubious and Illusive 1969-S DDO
How to Sell Coins
How to Grade Coins
How to Use a Coin Microscope
How Coins Are Made

Minting Process

Most Comprehensive Illustrated Numismatic Glossary on the Web

Numismatic glossary

Rare Coins You Won’t Find in Pocket Change

Pocket Change Propaganda

Nine 1972 Double Die Varieties

1972 DDO Varieties

Spend (do not spend?) your 1975-76 Bicentennial quarters

Spend (Do Not Spend) 1975-76 Bicentennial Quarters

Detecting Counterfeit Coins

Detecting Counterfeit Coins

You can save some coins with MS70 cleaner. Others are a goner. We show two types.
Cleaning Coins
These are not California gold coins
California Gold Coins
The Hunt for “W” Mint Mark Quarters

W-Mint Mark Quarters

You inherited a coin collection. Now what?
Inherited Collections
2000 Sacagawea Varieties

Sacagawea Varieties, Errors and Special Strikes

7 types of 1982 cents and one get-rich-quick transitional error. How to tell what you have.
1982 Cent Transitional Error
Close/Wide AM Lincoln Cent varieties: confusing but worth identifying.
Close/Wide AM Lincoln Cents
Drummer Boy Quarter Errors and Varieties
1960/1960-D Small Date Cents

1960/1960-D Small Date Cents

“Accented Hair” Variety of JFK Half Dollar

Accented Hair 1964 Proof Half Dollars

Identifying Full Bands on Roosevelt Dimes

Full Bands Roosevelt Dime

Identifying “full bands” on Mercury dimes

Full Bands Mercury Dime

Susan B. Anthony’s Three Top Varieties

Susan B. Anthony Varieties

Identifying full steps on Jefferson nickels

Jefferson Nickel Full Steps