Are those your pictures or the sellers pictures? I only ask because they are all slightly out of focus. They definitely have a different "feel" to their appearance than those posted by
@oddboy. I know nothing about these early links, but in looking at the two from the pictures, the ones in the OP seem to have too sharp of a stamping on the 6 in comparison to the other ones, and on other vintage end pieces. But this is hard to be sure of because of the aforementioned lack of focus.
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