1847 “U. STATES POSTAGE PAID” in red on worn SFL from Montreal (JU 12) to New York, USA, prepaid via charge box 160, ms “9”d and “20”c,. This handstamp was applied at the Montreal post office. The postmaster acted as an agent of the US Post Office to collect and remit postage.
There are seven recorded examples of this handstamp. The cover is priced suitably based on the condition of the cover. Rare.