The world of numismatics holds treasures that make even the most expensive paintings look affordable. These aren't just ...

The Saint-Gaudens Double Eagle is currently the most valuable coin in the world. Interestingly enough, it isn’t the rarest — the coins were minted between 1907 and 1933, but many cashed in the gold in ...

Discover the complete 1944 penny error list, including rare steel pennies, D/S mint mark varieties, doubled dies, off-center strikes, and wrong planchet errors.

CoinKnow is our top pick for the best coin scanner app, offering unmatched accuracy that serious collectors need. This ...

Explore the 1967 quarter error list, including DDO, DDR, off-center, wrong planchet, and rare silver errors, plus values and ...