Idaho - Ruddy Copper Butterfly commemorative cover issued to commemorate the Butterflies of the 50 s..
$1.25
Illinois - Spinebush Swallowtail Butterfly commemorative cover issued to commemorate the Butterflies..
$1.25
Indiana - Diana Fritillary Butterfly commemorative cover issued to commemorate the Butterflies of th..
$1.25
Karner Blue Butterfly Festival - Black River Falls Wisconsin event cover by Heritage Cachets. The r..
$4.00
Kansas - Clouded Sulphur Butterfly commemorative cover issued to commemorate the Butterflies of the ..
$1.25
Kentucky - Cloudless Sulphur Butterfly commemorative cover issued to commemorate the Butterflies of ..
$1.25
Louisiana - Creole Pearly Eye Butterfly commemorative cover issued to commemorate the Butterflies of..
$1.25
Massachusetts - White Admiral Butterfly commemorative cover issued to commemorate the Butterflies of..
$1.25
Maryland - Baltimore Checkerspot Butterfly commemorative cover issued to commemorate the Butterflies..
$1.25
Michigan - Common Blue Butterfly commemorative cover issued to commemorate the Butterflies of the 50..
$1.25
Minnesota - Viceroy Butterfly commemorative cover issued to commemorate the Butterflies of the 50 st..
$1.25
Missouri - Marine Blue Butterfly commemorative cover issued to commemorate the Butterflies of the 50..
$1.25
Mississippi - Gulf Fritillary Butterfly commemorative cover issued to commemorate the Butterflies of..
$1.25
Montana - Milbert's Tortoiseshell Butterfly commemorative cover issued to commemorate the Butterflie..
$1.25
Nebraska - Checkered White Butterfly commemorative cover issued to commemorate the Butterflies of th..
$1.25
New Hampshire - Pine Elfin Butterfly commemorative cover issued to commemorate the Butterflies of th..
$1.25
New Jersey - Tawny Emperor Butterfly commemorative cover issued to commemorate the Butterflies of th..
$1.25
Nevada - Painted Lady Butterfly commemorative cover issued to commemorate the Butterflies of the 50 ..
$1.25
New York - Eastern Tiger Swallowtail Butterfly commemorative cover issued to commemorate the Butterf..
$1.25
Ohio - Buckeye Butterfly commemorative cover issued to commemorate the Butterflies of the 50 states...
$1.25
Oklahoma - Bordered Patch Butterfly commemorative cover issued to commemorate the Butterflies of the..
$0.75
Pennsylvania - Common Wood Nymph Butterfly commemorative cover issued to commemorate the Butterflies..
$1.25
Rhode Island -Common Snout Butterfly commemorative cover issued to commemorate the Butterflies of th..
$0.75
South Dakota - Variegated Fritillary Butterfly commemorative cover issued to commemorate the Butterf..
$1.25
Tennessee - Great Purple Hairstreak Butterfly commemorative cover issued to commemorate the Butterfl..
$1.25
Texas - Ruddy Daggerwing Butterfly commemorative cover issued to commemorate the Butterflies of the ..
$1.25
Utah - Great Spangled Fritillary Butterfly commemorative cover issued to commemorate the Butterflies..
$1.25
Washington - Common Alpine Butterfly commemorative cover issued to commemorate the Butterflies of th..
$1.25
West Virginia - Gray Hairstreak Butterfly commemorative cover issued to commemorate the Butterflies ..
$1.25
Wyoming - Weidemeyer's Admiral Butterfly commemorative cover issued to commemorate the Butterflies o..
$1.00