1910-1950s a group of 3 postage due covers from British PO in Tibet, showcasing Parijong type B114, B115 due mark and Barabazar due mark
1910-1950s a group of 3 postage due covers from British PO in Tibet, showcasing Parijong type B114, B115 due mark and Barabazar due mark respectively. Latter with Devanagari reseal label applied during WWII
