ELIZABETH II, proof sterling silver ten dollars, Birds of Australia series, 1989 (3 standard & one piedfort), 1991 (3 piedfort), 1992 (standard & piedfort), 1993 (2 piedfort), 1994 (1 standard & 3 piedfort); Endangered Species series, 1995 (1 standard & 2 piedfort), 1997 (standard & piedfort). In cases of issue, FDC. (20)