and operated since 1962.
and operated since 1962.
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Spiral Bound The 2020 edition of the Durland Standard Plate Number Catalog is now available. The Catalog provides the most comprehensive research s...
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The 2025 edition was printed with a much higher quality gloss paper featuring rich color and clear print. The 2025 edition of the popular and inf...
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Mellone's First Day Cover Photo Encyclopedia of First Cachets Revealed, Volume 6, 1990's and 2000's Decades, by Richard A. Monty, Wendy L. Doyle, M...
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Richard Lewis Thomas
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Enables the user to identify country of origin by inscriptions on stamps and overprints.
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After a 19-year gap, the 8th Edition of Webb’s Postal Stationery Catalogue of Canada and Newfoundland is now available in full color with many new ...
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Printed in 1988, this catalog identifies, pictures and prices all known cacheted Duck And Express Mail First Day Covers. Over 900 illustrations plu...
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Mellone, Michael A. & Newton, B. THE CACHET IDENTIFIER OF U S CACHETED FIRST DAY COVERS. Published 1977. 2nd edition. Card. 60 p. Illus. listin...
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All known varieties of Canadian precancels are priced and listed by type - bar precancels, town and city precancels, and precancels with perforated...
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