three other colonies knew chalon head stamps before their integration to the confederation of canada: nova scotia in may 1860 (one stamp with the effigy inside a large square stamp put on its point, printed by perkins, bacon & co, new brunswick in may 1860 (three stamps printed in new york) and prince edward island in june 1870 (one denomination). the last one is the only one printed in canada, by the british-american banknote company.