1878 Urga to Peking. Dun-Fu-Yu red band cover, f.w. Russian Coat of Arms 5k in pair on reverse, tied by scarce pen-cancellation.
1878 Urga to Peking. Dun-Fu-Yu red band cover, f.w. Russian Coat of Arms 5k in pair on reverse, tied by scarce pen-cancellation. Pen-cancellation was the earliest type of Urga Russian PO cancellation with only a handful of examples exist. A rarity
