I assume Hawaii is considered US back of book so I posted here. Any help from expert in this area much appreciated.
Cannot find this stamp listed as "SPECIMEN" in my Scott 2010 catalog specialized US
Any help here? stamp has a thin, appears cancelled, but then "specimen" stamped on it?
Hope everyone had nice Thanksgiving. Looks like 'noreaster' storm hitting up by me. Going to shut everything down for a day or two. I find these are best times to enjoy indoor hobby.