Lot 40927 – USED IN BURMA: 1860 (Dec 18) Envelope to Calcutta

USED IN BURMA: 1860 (Dec 18) Envelope to Calcutta franked on the reverse with 1860 1a lilac on pale mauve Receipt Stamp (Barefoot no.2), cancelled by crisp « B / 5 » numeral, with Akyab and Calcutta cds adjacent, minor soiling, stamp torn at left corner, a very rare postal usage and most unusual, cert. BPA (2002)