The World's First Postage Stamp Could Reach $8.25 Million at Auction – Robb Report

This particular 1840 Penny Black is the world’s first postage stamp. It is expected to fetch up to $8.25 million at Sotheby's in December.

Penny Black, the world's first postage stamp, expected to fetch over $8 mn at London auction - The Economic Times

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4748a - 2013 First-Class Forever Stamp - Modern Art in America: Charles Demuth's I Saw the Figure 5 in Gold

1981 Space Achievement 18 Cent US Postage Stamp Sheet MNH of 48 Scott #1912 - #1919 - $13.99

Project Mercury Postage Stamp — Little Postage House

World's first postage stamp goes to auction

1526 - 1974 10c Robert Frost - Mystic Stamp Company

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

1947 Utah Centennial Set of 4 x 3 ¢ US Postage Stamps New US# 950

The World's First Postage Stamp Could Reach $8.25 Million at Auction – Robb Report

This 105-Year-Old U.S. Stamp Just Sold for a Record $2 Million

US Postage Stamp 1962 Brien McMahon Atomic Energy Act Scott 1200 4-4c

272 - 1895 8c Sherman, double line watermark - Mystic Stamp Company

World's first postage stamp, the Penny Black, heads for auction

1916 - 1981 18c Space Achievement: Probing the Planets - Mystic Stamp Company