1875 1c Specimen Stamp- carmine
1875 1c Specimen Stamp - War Dept. - deep rose, black overprint
1875 6c Specimen Stamp - executive, carmine
1875 2c Specimen Stamp- carmine
1928 8c Philippine Islands Postage Due, brown red
1879 3c Vermillion, Department of the Interior, Washington, Soft Paper
1873 3c - Official Mail Stamp - Department of Agriculture hard paper Specimen, yellow
1928 12c Philippine Islands Postage Due, brown red
1928-40 1c Canal Zone - Washington, General Corangeas, flat unwatermarked
A specimen stamp is a postage stamp or postal stationery indicium sent to postmasters and postal administrations so that they are able to identify valid stamps and to avoid forgeries. A neat piece to add to your collection- order today!