50 Tögrög

The Mongolian Trade and Industry Bank — Mongolын Худалдаа Аж Үйлдвэрийн Банк — was effectively a Soviet-controlled institution, and the 1939 series was produced entirely by Goznak in Moscow, the same state printing authority responsible for Soviet currency. Mongolia's banking infrastructure at this point was inseparable from Soviet financial administration, a relationship formalized through the 1921 revolution and deepened through the 1930s purges that reshaped the country's political and economic leadership.

The 50 Tögrög was the highest denomination in the 1939 issue, making surviving examples proportionally rarer than the lower values — high-denomination notes were more carefully hoarded and more aggressively recalled during subsequent currency reforms.