cover 5c Buff (67), fresh bright color, faults, tied by bold large Boston 'Paid' in grid on 1862 blue tissue paper folded letter to Calcutta, India, paying the 5c rate via British Open Mail, black Boston Br. Pkt. Jan 22 c.d.s., London transit and bold 'Calcutta Steam Letter' large octagon h.s. on reverse, fine appearance, Scott retail $900.00 photo