2018-S $1 American Innovation Rev PR Washington-Signed 1st Patent PR70 认证号38148913, PCGS号797929

Jaime Hernandez

The maximum authorized mintage of the 2018-S Reverse Proof American innovation Washington Dollar was set at 75,000. The coins were struck to give homage to President George Washington for issuing the 1st patent to Samuel Hopkins on July 31, 1790.