1923 Urga (6 Dec) to Russia. Registered cover, frankless, applied
with “URGA / MONGOLIA” prepaid rectangular h.s., type 2
1923 Urga (6 Dec) to Russia. Registered cover, frankless, applied
with “URGA / MONGOLIA” prepaid rectangular h.s., type 2 “Oplachen”
(Paid) horizontal h.s and Urga Russian type 7b cds. Arrived
Petrograd (29 Dec). No. 12 cover out of the 22 Interim Period
covers recorded by Hellrigl.
1923.12.6
庫倫寄俄國。掛號封，無貼票，鈐庫倫預付方形戳記、2型“Oplachen”已付橫戳及庫倫俄式7b型日戳。12.29抵彼得格勒。Hellrigl
記錄中僅見二十二件過渡時期信封，此為當中第12件。
