Original U.S. Vietnam War US Navy Pilot Dual Visor APH-6CMSI Flight Helmet by Sierra Engineering Co. with Original Early “Bowling Ball” Bag NATION and owning an original piece
Baker’s notes & crumb story
Description
Original U.S. Vietnam War US Navy Pilot Dual Visor APH 6CMSI Flight Helmet by Sierra Engineering Co. with Original Early “Bowling Ball” Bag NATION and owning an original piece and owning an original piece like this is a great way to connect with and appreciate the past displaying its proof marks to the LEFT side of the barrel indicating very early manufacture