2002 National Audubon Society Wildlife Conservation Stamps ASWC18

2002 National Audubon Society Wildlife Conservation Stamp Sheet featuring Great Gray Owl, Boreal Owl, Snowy Owl, Northern Hawk Owl, and Northern Saw-whet Owl. Complete mint pane of five $2 conservation stamps forming a continuous wildlife scene, designed by Pal Varga. Eighteenth annual issue in the series.