A catalogue for advanced collectors of postage stamps, stamped envelopes and wrappers; (1890)
Collin, Henry, Calman, Henry L, Scott Stamp and Coin Company, Inc · New York : The Scott Stamp and Coin Co., Limited · leaf 72
) pale ultramarine and indigo 432 20(c) pale ultramarine and dull blue April 1897. 433 50(c) pale ultramarine and indigo Same type, impression, etc, as preceding 434 50(c) pale ultramarine and dull blue issue. Coat of arms embossed on back of 435 100(c) pale ultramarine and indigo each stamp, 436… … 3 2.
Postage stamps · Covers (Philately)
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.