RW33 1966 Duck Stamp Used F-VF Catalog Number: RW33Condition: UsedCentering: F-VF> SKU: 16566 Free shipping $6.00 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend RW33 1966 Federal Duck Stamp. Used. Fine - Very Fine. Whistling Swan by Stanley Sterns. Products specifications Attribute name Attribute value Catalog Number RW33 Centering TLA F-VF Centering Fine - Very Fine Year 1966 Condition Used Artist Stanley Sterns Subject Whistling Swan