United States John James Audubon 1 Cent Postage Stamp Appraisals

William Penn 3 Cents Postage Stamp (1932 Issue)

US 3 Cent NATO Commemorative Postage Stamps (1952)

Australia 1960 Melbourne Cup Centenary 5d Postage Stamps Strip

Australia 2 1/2d Centenary of Mitchell's Exploration of Central Queensland Postage Stamp

Alexander Graham Bell 10-cent US Postage Stamp

Used '10' Denomination Postage Stamp with Circular Postmark

U.S. Postage 3 Cent 'Gardening Horticulture' Stamp (1958)

1926 Handwritten Envelope with 2-Cent Stamp and Postmark

3-Cent George Washington Bicentennial Postage Stamp

2 Cent 1890-93 George Washington Postage Stamp (Series Issue)

Newfoundland Postage Stamps Collection (1857-1908)

Claire Chennault 'Flying Tigers, 1940s' USA 40-cent Postage Stamps

1934 Wisconsin Tercentenary 3 Cent Stamp - Nicolet's Landing