a <#revenue=revenue stamp> that is not denominated in money, but in some other measurement, generally a quantity or unit size, for example: one pint, 1/8 barrel, ten cigarettes.  Example: some <#playingcardstam-gen=Playing Cards stamps>.

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

official term, used from 1898 until 1901, for what are now known as <#postcard=post cards>.

<#revenue=revenue stamps> (<#scott=Scott> R134-150) issued in 1871-1874, printed by <#carpenterjosr-gen=Jos. R. Carpenter>.

New York based manufacturer of <#vendmach=vending machines> and <#privcoil=private coils>.