First Day Covers (FDCs) are a popular collecting item. Some collectors focus on a single stamp and acquire as many different cachets as...

In the 1870s and again in the 1980s, the Post Office issued stamps and stamped envelopes that were used by agencies of the Federal...

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,...