The World's First Postage Stamp Could Reach $8.25 Million at

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.

World's first postage stamp, penny post, heads for auction at USD

World's First Postage Stamp Goes Up for Auction

The World's First Postage Stamp Could Reach $8.25 Million at

Penny Black, the world's first postage stamp, expected to fetch

1941 Pictorial Stamp Album Around the World Series G. Melikov

ICAO and the United Nations Postal Administration (UNPA)

From penny post to $8 million as world's first stamp heads for

Penny Black: 'First' piece of mail sent using a stamp could fetch

Netherlands 2023

American Philatelist 2021-11

Penny Black: 'First' piece of mail sent using a stamp could fetch

PRIORITY MAIL RATE HIKE JANUARY 9 – Official Mail Guide (OMG)

ICAO and the United Nations Postal Administration (UNPA)

World's first postage stamp goes to auction