Butterfly Stamp Sheet, 50 Stamps, 13 Cent US Postage Stamps, 1977

1977 Butterflies 4 designs SC #1712-1715, (13 Cents) PB-20

Swallowtail Stamp

Poland's Millennuim Sheet of 50 US Postage Stamps 1966 - Ireland

Third Bureau Issues (1908-1922)

UCEC Wooden Rubber Stamps for Craft, 16 Pieces Butterfly Stamp Set Cute Stamps, Vintage Wood Stamps, Craft Stamps for Scrapbooking, Butterfly Craft Card Making Decoration, Butterfly Wings & Stars : Arts

1976-1977 National Postal Museum

Graf Zeppelin Stamp Sheet 50 Cent Us Postage

Stamp Usa 13 Cent - Finland

1 X Grace Kelly Unused 29 Cent White Blue Engraved 1993 US Postage

50th Anniversary Talking Pictures

Mint Never Hinged/MNH Butterflies United States 13 Cent Denomination Stamps for sale

Checkerspot - Finland

1715 - 1977 13c Butterflies: Orange-Tip - Mystic Stamp Company

Butterfly Stamps Usps