1925年蒙古20蒙戈银币。列宁格勒铸币厂。 轻微包浆,<strong>珍含</strong>面值。2021年4月香港拍卖会售出一枚品相略好的同版别币,评分为PCGS AU-53,成交价$1,140美金。 MONGOLIA. 20 Mongo, Year 15 (1925). Leningrad (St. Petersburg) Mint. PCGS EF-45. L&M-621; KM-6. A lightly toned example of this <strong>SCARCE</strong> denomination. We sold a slightly finer example of this issue, graded AU-53 by PCGS, in our April Hong Kong auction for $1,140.