Join Stamp Sleuth for an in-depth look at perfin and precanceled stamps from around the world, including a brief discussion on how to assemble a collection and identify the perforated initials on various stamps.
For Modern Stamp Collectors
Join Stamp Sleuth for an in-depth look at perfin and precanceled stamps from around the world, including a brief discussion on how to assemble a collection and identify the perforated initials on various stamps.