Four Centuries of American Art Classic Collection (Sheet of 20) 32 Cent Postage Stamps 1998 Scott #3236

GEORGIA O'KEEFFE US Postage Sheet of 15 32 Cent Stamps Scott 3069

Legends of the West Complete Pane of Twenty 29 Cent Stamps Scott 2869 By USPS

Masters of American Photography Collectible Sheet of 20 37 Cent Stamps Scott 3649

1997 Classic American Aircraft - Sheet of Twenty Stamps Scott 3142 by USPS

Classic American Dolls Collectible Stamp 32 Cent Sheet - Scott 3151

Cloudscapes, Full Pane of 15 x 37-Cent Postage Stamps, USA 2004, Scott 3878

Stars and Stripes American Flags Collectible Stamp Sheet of 20 33¢ Stamps Scott 3403a