Civil War Topographical Engineers 2-Piece Coat Button

Non dug Civil War Topographical Engineers coat button. The front has an Old English T E with a shield with stars and stripes above. The reverse has a, c.1860, SCOVILL MF'G CO. * WATERBURY * between concentric rings, backmark. The shank is straight. This button measures 23 mm's in diameter. This was a field used button and shows use wear on the front. $585