ELIZABETH II, proof silver ten dollars, Birds of Australia Series, coin fair pairs of standard and piedfort (double thickness) issues with matching serial numbers, 1992 Emperor Penguin matching numbers 0893, serial with numbers 0877 (4 coins); Palm Cockatoo coin fair pair with serials 0659, last two with consecutive numbers, (4 coins). Some with superficial damage to outer boxes, FDC. (8)