1976-S Deep Cameo Proof Bicentennial Quarter While some of the silver quarters minted in San Francisco entered circulation, ...
The coins came from an uncirculated proof set of six coins sold in 1975 for $7. The coins should have had the “S” on them but ...
The dime - described as "one of the rarest coins of the 20th century" - was produced by the US Mint in San Francisco. But it ...
The proof sets included a Lincoln cent, Jefferson nickel, a bicentennial Washington quarter, a bicentennial Kennedy half dollar and a bicentennial Eisenhower dollar, according to Sky News.