Chester Y. Martin

The 1989-D Congress Dollar Error That Turned the U.S. Mint Upside Down

Errors and Varieties CoinWeek - July 13, 2026

The Congress Silver Dollar That Escaped the U.S. Mint With a 180-Degree Error A dramatic 180-degree die rotation transformed an overlooked modern commemorative into one...

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Chester Y. Martin

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The 1989-D Congress Dollar Error That Turned the U.S. Mint Upside Down

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