1859 issue with a blue 4 ring cancel, with what may be a #19 cancel? *Unitrade lists a blue 4 ring cancel for London, Ontario (#19), with a rarity factor of 10 (extremely rare). There are no other blue strikes listed with a "1" as the first digit. In fact, Unitrade notes that only three #19 blue strikes are known.
Posted 06/01/2024 1:02 pm
