WWII era Morse Mark V Mod-1 United States Navy 12 bolt diving helmet.

Dated: July 1944

Brailes, Bonnet, and corselet marked with serial number: 5281

Badge to corselet marked:

UNITED STATES NAVY

DIVING HELMET

MARK V MOD 1

SERIAL NO. 331 DATE OF MFG 7/44

MORSE DIVING EQUIPMENT CO.

BOSTON. MASS., U.S.A.

Bonnet marked: L667 5281 LOU 

Height: 55 cm.

Width: 35 cm.

Depth: 45 cm.

On display stand.