Wool, cork, silk, cord, metal; horsehair
Overall (a, helmet): 6 3/4 × 10 1/2 × 7 1/8 in. (17.1 × 26.7 × 18.1 cm)
Part (e, plume): 15 × 6 × 4 in. (38.1 ×
in relief: on front insignia plate: "E PLURIBUS UNUM" (on banner) and "1"
stamped in gold: inside crown: "ST. NICHOLAS HOTEL. / No. 519 B'WAY / NEW YORK / WARNOCK & Co."
Dress helmet made of black wool felt over cork; peaks in front and back, both angled downward; large metal shield-breasted eagle insignia on front with crossed cannon and number "1" in relief; braided gold cord suspended from hooks with shield-shaped mounts attached to sides and back of hat; gilded metal scale chin strap attached to buttons molded with crossed cannon attached at either side; black and yellow striped sweatband with quilting, and purple silk(?) lining inside of crown; red horsehair plume (missing holder).
Due to ongoing research, information about this object is subject to change.