The rubber has dried, but is still flexible enough for display. There are no markings remaining on the vest, but it is the same construction as marked examples... The item "WWII Kriegsmarine Schwimmweste German Navy Life Vest" is in sale since Saturday, February 6, 2021. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Germany\Personal, Field Gear".The seller is "diggersplace14" and is located in Bowden, Alberta. This item can be shipped worldwide.