German Original Thermos. Thermoses of this style were produced from the 1920s to the 1950s. It consists of a vacuum glass thermos in an aluminum body with the original cork stopper. The top and bottom are marked Original Thermos. The glass inside is an orange color. The cork shows some wear. The thermos has a few dents and there is a tiny hole on the bottom (the inside glass is intact, so it doesn't effect function.