RW21//73b Graded Duck Stamp Group, includes (all with PSE certificates): RW21 (90), RW24 (90), RW25 (90), RW28 (95), RW38 (95), RW40 (95), RW43 (95), RW48 (95), RW50 (95), RW54 (100), RW55 (95), RW56 (95), RW60 (98), RW66 (95), and RW73b (98), a clean and useful group (SMQ $1,765)