Cologne, bronze medal (approximate. 20, 67 g, 36, 1 mm), 1928, o. M., on the 680 year celebration the laying the foundation stone of the Cologne cathedral. Aversum: half-length portrait adept Gerhards with blueprint and calipers as well circumscription. Reverse: : cathedral front between 1248 - 1928 and circumscription. margin hallmarked: "PREUSS. country mint". extremley fine.