SpongeBob SquarePants would, in theory, have little use for stamps. They would get soggy in that pineapple under the sea.

These tiny portraits keep America's iconic leaders at our fingertips, their contributions to history forever stamped on our collective memory.

Back in the 1860s, some people found ways to remove the ink from the cancellation and reuse stamps. The grill on a stamp from 1869. ... and all Air Mail stamps were tagged after mid-1974.

Effective July 13, the price of a Forever Stamp, designed to be used in perpetuity, regardless of future increases, will ...

Created with a 'z' punch that left indentations meant to help ink seep into the stamp and make it impossible to reuse, these stamps weren't very effective and were recalled in 1870. Very few ...

This 1-Cent Z Grill from 1868 is one of the rarest U.S. postage stamps in history Robert A. Siegel Auction Galleries A 1-cent postage stamp from 1868 is up for auction and could fetch up to $5 ...

The “Z-grill” is likely to go for the highest price ever paid for a U.S. stamp when it is auctioned in June. By James Barron Good morning. It’s Monday. We’ll find out why a 1-cent postage ...