Coin Error Guides

Expert guides to identifying valuable minting errors. Learn what to look for, how to check, and what your coins could be worth.

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All (49) 🪙 Pennies (8)🪙 Nickels (5)🪙 Dimes (4)🪙 Quarters (6)🪙 Half Dollars (6)💵 Dollars (8)🔍 Error Type Guides (12)
Quarters

Bicentennial Quarter Errors (1976)

The 1976 Bicentennial quarter features the colonial drummer design on the reverse and the dual date 1776-1976. Billions ...

4 errors 2 FAQs
Quarters

State Quarter Errors

The 50 State Quarters program (1999-2008) produced billions of coins across 50 unique designs. The massive production vo...

5 errors 3 FAQs
Quarters

Standing Liberty Quarter Errors

Standing Liberty quarters (1916-1930) are one of the most beautiful US coin designs but also one of the most wear-prone....

4 errors 2 FAQs
Quarters

2000 Sacagawea Dollar / Quarter Mule Errors

The 2000 Sacagawea dollar / Washington quarter mule is one of the rarest and most valuable modern US coin errors. These ...

3 errors 3 FAQs
Quarters

Washington Quarter Errors (Pre-1965 Silver)

Silver Washington quarters (1932-1964) are among the most widely collected US coins. Struck in 90% silver, these quarter...

5 errors 3 FAQs
Quarters

2019-W Quarter Errors

The 2019-W quarters mark the first time the West Point Mint struck quarters intended for general circulation. Approximat...

4 errors 3 FAQs