Birmingham Mint Silver Ingots 20 1oz - Great liners of the north atlantic set !

BIRMINGHAM MINT GREAT LINERS OF THE NORTH ATLANTIC 20 1 Troy ounce ingots all halmarked on the edge . Presentation casket (slightly worn from storage in the loft) with autenticity card. THIS IS ONE OF ONLY 3000 ISSUED IN 1976/77 Scrap value is less but this is selling as a collection piece. Or make me an offer ;)