by nyandw
This is a LIRR 1967 steel die. I've mirrored the photo, also. Anyone have a photo of the actual pin?
How was it produced? Is molten material poured as a mold, or a planchet stamped under pressure (like a coin), or??
How was it produced? Is molten material poured as a mold, or a planchet stamped under pressure (like a coin), or??
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