one of a series of international stamp shows hosted once every decade in the U.S.; held in Washington, D.C. in 2006.

a private <#localpost=local post> established in New York City in 1841.  The first local stamp it issued (<#scott=Scott> 40L1) was the first adhesive stamp used in the United States.  This organization was purchased by the Post Office and re-organized as United States City Despatch Post.

a commercial product which is a computer generated, <#postage> paying, stamp-like imprint authorized by the <#usps=USPS>.

<#amg-gen=AMG> printed in 1945 in Brunswick, Germany.

a cartoon-like character used as a <#marginmark=marginal marking> from 1964 to 1986 promoting the use of <#zipcode=ZIP Code>.