With detachable collar, heavy brass/bronze, round central window (4 1/2″ dia), and two oval side windows with bronze cages (4″ x 2 1/2″), helmet threaded to shoulder/collar, with 12 brass thumbscrews for suit attachment, a few dents in helmet, and a rubberized repair to helmet side, 17″ overall h, 16″ w at shoulder, (ex. John Rinaldi, Maine collection).