Pre Civil War New England Guards NEG Coat Button R & W Robinson Eagle Backmark

Non dug pre Civil War New England Guards of Massachusetts coat button. The front has capitol initials NEG on a lined field. The reverse has a small depressed, c.1830's-50's R & W. ROBINSON, in a banner with an eagle above, . backmark. The shank is straight. This button measures 21 mm in diameter and shows some use wear. $40