Specimen stamps have often been perfinned with the word specimen to denote their status.
Biological specimen | postage stamp | Terence Stamp | Stamp Act | Postage stamp | Rachel Stamp | Stamp Act 1765 | definitive stamp | Christmas stamp | A male ''Labidura riparia'' specimen in Köpenick | Maxberg specimen | Gibbons Stamp Monthly | Stamp collecting | stamp collecting | Stamp Act Congress | Postage stamp booklet | Linn's Stamp News | Gavin Stamp | Definitive stamp | Wilfred Stamp, 2nd Baron Stamp | telegraph stamp | Stamp mill | Stamp duty | Stamp Advisory Committee | Specimen stamp | Special stamp | Self-adhesive stamp | Revenue stamp | revenue stamp | Postage stamp separation |