30 cent definitive on insufficiently stamped part of cover, Poelauradja 21-1-2 to Medan 21-1-3. Postage due 40 cents paid with 822v-86b inverted (!) on 30 cent postage due stamp (unknown in Dai Nippon) and Queen 10 cent  (damaged) with Sumatra machine overprint and Rep. Indonesia in black, both overprinted with Denda in violet