I have a large industrial size Safety Pin, Laundry pin, Blanket pin. It measures about 4" in length x 1" in width x about 1/8" in depth or 3/8" where it clips. I'm not sure of what type metal this is it does stick to a magnet. It is a bit worn and slightly tarnished.
Vintage Large Safety Pin Laundry Pin Blanket Pin
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