Deutschland / DDR 5 Mark 1968 Robert Koch CH UNC | MA-Shops
DDR Koch- und Backbuch - Hardcover
DDR 5 Mark 1968 Robert Koch BU (MS65-70) | MA-Shops
DDR-Rezepte von Kurt Drummer - schmecken sie heute noch?
Stamp issued in Germany - Democratic Republic (DDR) shows Prof. Dr. Robert Koch, bacteriologist, 125th annivers. of the Humboldt university, 250th ann Stock Photo - Alamy
Stamp: R. Koch (Germany, Democratic Republic (DDR)) (100th Anniversary of the Tuberculosis Pathogen Discovery) Mi:DD 2685,Sg:DD E2393
Germany DDR 1960 FDC cover Mi 795-799 Sc 520-524 Medical buildings.Humbolt. Koch | eBay