Two presentations
James D. Graham, Russell D. Sampson

James D. Graham - Sun Life Perfins and Their Use in the City of Montreal
Russell D. Sampson - Pin Length in the B.F. Cummins Perforators Method in their Madness?

Presentations given on 31 January at the BNAPS Virtual Exhibition and Conference 2026.

Forensic Analysis of a Curious Perfin Postcard
Russell Samson

A WWI postcard that involves a perfin, postal history, Canadian history and even the possibility of the use of stamps as a form of anti-war protest. Truly one of a kind.

Presentation given at BNAPS 2025 Virtual Conference.

Unitrade Catalog and Ken Pugh's New OHMS Manual and New Perfin Material
Gary Tomasson

Presentation given at BNAPEX 2021 Virtual.

Foreign Perfins Postmarked in Canada & Use of CPR Perfins on Postcards
Jon Johnson

Presentation given at BNAPEX 2021 Virtual.