I have a pair with the Shield logo but they're attached to a 1r stem and are not moving very freely so I'd rather sell as a set. In very nice but not perfect condition.
I've got one with mint logos.. center is in excellent shape.. but used.. so not perfect.. It's 35 years old after all. Don't really know how much I should ask for it tough
Good luck with the search! My guess is that it won't be easy to find one.. But you never know
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