vintage safety goggles steampunk motorcycle welding brown lightning bolts

vintage safety goggles steampunk motorcycle welding brown lightning bolts USA. made of brown marbled plastic. lenses can be changed out, lens holders screw off. three lightning bolts on side of eye pieces. made in USA. overall in good vintage condition, wear appropriate to age, dusty, elastic has lost its stretch. disclaimer/caution: do not use as safety glasses!