90% Silver Coins $100 Face Value Bag in 1964 Kennedy Half Dollars
Each half dollar containing approximately 0.3617 ozt of pure silver. 1964 was the only year the 90% Kennedy Half Dollar was struck by the U. It has been said the coins vanished from circulation quickly after their release due to collectors interested in a memento of the late president. Starting with 1965-dated pieces, the percentage of fine silver was reduced from 90% to 40%. Beginning in 1992, the Mint offered special, 90% silver Kennedy Half Dollars for sale to collectors
