1931, 7 ½ c. yellow-brown, horizontal pair, with cds. “POSTAGENT BATAVIA-AMSTERDAM 30.1.31” on radio-cover addressed to the industrialist and general director August Rosterg of the Wintershall Company in Kassel, Germany, left adhesive with two vertical folds, right stamp one pulled perf at top, some staining and transportation wear, otherwise in good condition, scarce
