Ian Gibson-Smith gave a presentation on the scope and status of the American Philatelic Markings Catalog. The presentation was delivered by Zoom to the Royal, February 10th, 2026.
Boston Colonial Postal History to the War of Independence by Mark Schwartz
Boston Colonial Postal History to the War of Independence, by Mark Schwartz, a talk given to the RPSL on 7th February 2019
United States Imperforate Issues of 1851-1856 by Gordon Eubanks
United States Imperforate Issues of 1851-1856 by Gordon Eubanks, presented on April 14, 2016.
Embossed Stamped Paper – American Colonial Taxation, Roger Brody
Embossed Stamped Paper – American Colonial Taxation, Roger Brody
U.S.-Canadian Cross Border Mail, David D’Alessandris
U.S.-Canadian Cross Border Mail, David D’Alessandris
