I actually have a couple of those Superfest glasses - they were in the house I bough in 2021 (which was full of junk and generall a bit messy). But I have no id

I actually have a couple of those Superfest glasses - they were in the house I bough in 2021 (which was full of junk and generall a bit messy). But I have no idea how they got here as the house is in western germany.