British India Queen Victoria 2 Rupees Postage Stamp Appraisals

Republica de Colombia 20 Centavos Postage Stamp (Waterlow & Sons)

Azerbaijan Democratic Republic Stamp, 20 Rubles

Robert Millikan Commemorative Stamp

24c Commonwealth Heads of Government Meeting Stamp

United States 25 Cent William McKinley Postage Stamp (Series 1922-1938)

Collection of Early-to-Mid 20th Century Revenue and Definitive Postage Stamps