Excellent Original Boston & Maine Railroad Police Numbered Badge Boston

This is an original Railroad Police badge for the Boston & Maine Railroad, B.&M.R.R., manufactured circa 1900 in Boston by John Robbins Manufacturing Company which is marked on the back.  The badge is also numbered “362” on the back.  It measures 1 3/4 inches in diameter with a safety pin type clasp on the back and is in excellent condition.