Mint was preparing for the Bicentennial issue. None were minted in 1975, due to the fact that the U.S. The coin is protected in special packaging, along with a Blue U.S Mint Token that states the coin is an 'Uncirculated Silver Dollar.' A Blue envelope completes this distinctive packaging.īoth of the Blue and Brown packs were struck each year from 1971-1974. This is the Brilliant Uncirculated, 'Blue' packaged version of the Silver coin. The uncirculated are in the poly pack.otherwise known as the Blue Pack while the proof is in the hard plastic lens and then placed in a display box.this version is known as the Brown Pack. So as not to confuse the silver coins with the circulation-strike copper-nickel coins, they were issued exclusively to collectors in unique 'Blue' and 'Brown' packs. 400 silver coins, it actually created two different versions: Proof and Brilliant Uncirculated. When the United States Mint in San Francisco struck the. Was it meant to be a secret? Probably not, but with so few made, it easily can be slated that no one knew about it until now. Over 100 million coins were made, but only a fraction (less than 3 %) were made out of silver!
