For sale is: 1976 Franklin Mint Signers of Declaration Mini Coins Sterling Silver 55 of 56. One is missing looked everywhere, but it is like finding a needle in a haystack! This mini-coin collection presented by the Franklin Mint in 1976 features the 56 signers of the Declaration of Independence.Each coin features a different signer and is struck in. Each coin measures 12.5mm in diameter and weighs 25 grains. My reference, file cabinet, basement office.