Canada. (United States - Cuba). 1909. Envelope written from Canada addressed to Cuba bearing Canada SG 176, 2c rose tied by Montreal roller dated Montreal/ Que 'May 14 1909' , underpaid with hand-struck 'T' and circular '6' on face and bearing United States Possessions in Cuba postage due Scott J3, 5c claret mixed with Cuba Scott 227, 1c green tied by circular 'T' hand-stamp with Habana Div Df Carteros on reverse 'May 19.'.
Scarce usage of Cuban stamp used for postage due to pay the 6 cent tax.