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 is, without question, the most significant and most valuable ...

Known as the world’s most valuable and rare stamp, this unique piece was produced during a stamp shortage in British Guiana. Only one copy is known to exist, discovered by a 12-year-old Scottish boy ...

Get your stamp book ready for the ultimate addition. This summer, Robert A. Siegel Auction Galleries is offering the William H. Gross Collection of United States Stamps. The organization is ...

In today’s era of rapid digital communication, the fascinating realm of stamp collecting has the enduring appeal of tangible treasures. Embarking on the journey of starting a stamp collection for your ...

The only One-cent “Z” Grill available to collectors that realized $4,366,000 On June 14th, Robert A. Siegel Auction Galleries sold the famous One-Cent “Z” Grill postage stamp for $4,366,000. This sale ...

There is signifant evidence that postage stamps are not just a good investment, but also, an investment with positive features found in securities or other better known instruments for the growth and ...

The valuation of any item is subject to a variety of factors some of which appear universal and others which are unique to the product. This is true for investment grade postage stamps but, to make a ...