Stamp collecting is in, and these are the most valuable stamps that collectors keep showing up for. ... this 15-cent stamp bears a portrait of the 16th President of the United States.

The current record holder is an Inverted Jenny priced at $2 million that sold last fall, and the most expensive stamp in the world is a 1-cent magenta from British Guiana, which fetched over $8 ...

The only One-cent “Z” Grill available to collectors On June 14 and 15, 2024, Siegel Auction Galleries of New York City will offer the William H. Gross Collection of United States Stamps. This ...