Commercial overprints can be difficult to find. These links will take you to stamp dealers who have offered commercial overprints for sale and to organizations that have at least a passing interest in commercial overprints. If you have additional links to suggest, please contact us.
- Dealers
- Mike Holt Ltd.
- J. Barefoot Ltd. (literature)
- Bill Barrell Ltd.
- Eric Paul Stamps
- Rushstamps (Retail) Ltd.
- Organizations
- The Perfins Place
- The Precancel Stamp Society of Great Britain
- GB Overprints Society
- Related Sites
- Security Markings on British Malaya Stamps
- Hong Kong Security Markings
- GB Precancels of the Queen Victoria Period
- Ceylon 'CAVE' Overprints
- General Resources
- Joseph Luft's Philatelic Resources
- Jan Langenberg