“DGH&MRR” – “GTR S”
Brass body. Brass shackle.
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“C&MLSRR”
Brass body. Steel shackle.
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“I. D. BUSH DETROIT PATENT APRIL 2 1867”. Brass body. Brass shackle.Patent #6346
“I. D. BUSH DETROIT PATENT APRIL 2 1867”. Brass body. Brass shackle.Patent #63467.