Mongolia: 1889, 4 K. red tied "TROITSKOSAVSK 8 IV 1909" (Hellrigl Type 1b, 1900/
Mongolia
1889, 4 K. red tied "TROITSKOSAVSK 8 IV 1909" (Hellrigl Type 1b, 1900/09) to post card form to Amsterdam/Netherlands with May 7 arrival. With dateline "Kiachta 20.4.09". Back then a military post nearby, and today part of Kyakhta at the immediate border to Mongolia. Unusual.
Condition: Cover...