Lot of 3 Alaska airplane prints by J. Cote Suter, first is Dehavilond Otter 399/950 with one ounce silver coin, next is

Lot of 3 Alaska airplane prints by J. Cote Suter, first is Dehavilond Otter 399/950 with one ounce silver coin, next is Dehavilond twin otter, 731/950 with one ounce silver coin, last is DC3 731/950 with one ounce silver coin (3)