375rd Heinrich Köhler auction - Day 1

1920 October, Ordinary private letter sent on the TPO "RYAZHSK 61 VYAZMA" to Brussels via Moscow with three triangle censor mark. Franked correctly with a 5 kop imperforate stamp revalued x 100 (Tariff of 30 September 1920). According to Alexander Epstein, very few examples of this 5 rub tariff are known; after the resumption of foreign mail services in June 1920, most letters were sent registered, minor stains, otherwise fine