Template talk:World Stamp Catalogue/Stamp

Extensive use of of stamp catalogue numbers is a copyright violation
Most of the stamp numbering systems are copyright to their catalogue publishers and this topic was discussed several years ago when it was determined that extensive use was a copyright violation while occasional or minimal use would be allowable. It seems to me that for this reason (part of) this template cannot be used.Arno-nl (discuss • contribs) 20:30, 24 September 2020 (UTC)