Two British "Poached Egg" test stamps. A test stamp, dummy stamp, or training stamp, is a label resembling a postage stamp that is used by postal authorities for testing equipment and/or training postal workers.
Poached egg - Popular term for many kinds of testing label bearing a design resembling such an object. Polyvinyl alcohol - The preffered gum of many modern postal administrations.
Poached Egg: nickname for British green vending machine test label, center illustrates a dark green oval. Poblact na Heireann: (Irish) Republic of Ireland; Republican Army issues. POCCIR: (Cyrillic) Russia, South Russia.
See also: Label, Definitive, Used, Definitives, Machin
 
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