Metal : 0.999 Pure Silver plus luxury Mother of Pearl, its inner core is made out of real mother of pearl. Weight : 5 ounces (155.5g). Mintage : Only 750 worldwide. The item “Nautilus Jules Verne Mother of Pearl 5 oz Pure Silver Coin $50 Cook Islands 2014″ is in sale since Monday, November 13, 2017. This item is in the category “Monety i Banknoty\Monety midzynarodowe\Australia i Oceania\Monety okolicznociowe”. The seller is “sk-granica” and is located in Okuniew. This item can be shipped worldwide.