Mystic Stamp will be happy since they like promoting imperforates from these sheets.
Hey! thanks for the info. just got my issue of U.S. Philatelic yesterday but the Linn's article was very helpful.
re: U.S. #5543a- 2021 imperf. Love stamp(?)
re: U.S. #5543a- 2021 imperf. Love stamp(?)
Mystic Stamp will be happy since they like promoting imperforates from these sheets.