1Early Iron Butt Hinge 3-1/2″ EH-331February 28, 2021/in Recently Sold Hardware Past Sales/by adminCirca 1835 cast iron butt hinges cleaned and in very good working condition tight and not worn. Measure 2-1/2″ x 3-1/2″ signed W.H. CARR s PATENT PHILADELPHIA. PRICE FOR ONE HINGE.