“E.&N.Ry. Vic.” – No Pins.”D. K Miller Lock Co Phila.PA USA Pat July 26-70-Oct 2
“E.&N.Ry. Vic.” – No Pins.”D. K Miller Lock Co Phila.PA USA Pat July 26-70-Oct 21-73″ is stamped on the edge of the body.Patent #105710. US Patent #143990. This is the only known example to exist.