MONGOLIA. 20 Mongo, Year 15 (1925). Leningrad (St. Petersburg) Mint. PCGS EF-45.
L&M-621; KM-6. A lightly toned example of this SCARCE denomination. We sold a slightly finer example of this issue, graded AU-53 by PCGS, in our April Hong Kong auction for $1,140.
Estimate: $200 - $300