2 RM Polar travel 1931, overprint error "unhyphenated", along with two pieces 1 RM Polar travel on appropriate Zeppelin cover to the Polar travel (Sieger-no. 119 F) from "FRIEDRICHSHAFEN (Lake Constance) 24.7.31" to ice-breaker "Malygin" and then to Mittweida. An attractive and document in very good condition, Michel 2.480.-