Monographs
The Vincent Graves Greene Philatelic Research Foundation produces a range of published monographs related to Canadian philatelic works.
Newfoundland’s Inverted Air Mail Surcharges
Published 2026
A Comprehensive Study of the Halifax, Do-X, and Balbo Issues (1921-1933)
By Marc Castel
Using AI in Philately: A Practical Guide
Published 2026
Artificial intelligence (AI) has moved from novelty to utility in philately. Tools that identify stamps from images, retrieve auction records, summarize research literature, draft exhibit text, and interrogate datasets are now accessible to ordinary collectors. This article surveys the principal applications and explains, in plain language, how large language models and machine learning systems work, and why their value depends on the quality of their training data.
By Marc Castel

