Click to expand Tap to zoom Franklin Mint 1000 Grain Ingot of Sterling Silver, Fathers Day 1971 $82.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 1000 Grain Ingot of .925 Sterling Silver, Commemorating Fathers Day 1971. This ingot was issued by the Franklin Mint, see photos.