Sold at Auction: WW2 German Kriegsmarine U-Boat “Wolf Pack” Silver Ring. Engraved: “U-315 8.Unterseeboots Flottile” “Hartmut” 23.04.44 - 28.04.44. UK size U and US size 10.
WarMuseum.ca - Canada's Naval History - Explore History
MK-Art Militaria Ring, German Submarine Ring U552 Erich Topp, The Red Devil|Amazon.com