The Pfister Hotel is a luxury hotel in Milwaukee. The vision of businessman Guido Pfister and his son, Charles, the Pfister was dubbed...

The stamped envelope in Figure 1 has an embossed stamp that I believe is design U80 in the US Scott Catalog. The envelope color is not...

This item, which is just a piece of an envelope or wrapper with a stamp on it, is largely a mystery to me. It was postmarked at the Rome,...

Between August 23, 1886 and June 30, 1894, the US Post Office issued a 2-cent letter sheet with an imprinted stamp that depicted Ulysses...

Beginning in 1855, the Post Office provided a registry service to more securely move high-value matter through the mail system....