5 k. and 10 k., tied by cds. “ST(ATION) SEDANKA USSIRISK RAILWAY 20 7 21” to reverse of registered envelope to USA, on front departure cds. repeated once and registration label, reverse arrival cds., initially correctly franked at the 20 kopek tariff (one stamp missing on upper left corner), despite some imperfections a most unusual usage from a small Siberian train station
