1990 South Dakota Duck Stamp MNH VF Catalog Number: SD8Condition: MNHCentering: VF> SKU: 16513 Free shipping $5.00 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend SD8 1990 State Duck Stamp. Mint Never Hinged. Very Fine. Blue Winged Teal by John Green. Products specifications Attribute name Attribute value Catalog Number SD8 Condition Mint Never Hinged Centering TLA VF Centering Very Fine Year 1990