75 vintage new old stock NOS unused welders protective helmet eye cover plates. The group includes 55 "Welder's Protective Plate, 2 x 4 1/4, Fed. Spec. GGG-H-211c And Ansi Z87, R. S. McCracken Inc.", fifteen smoked dark plates with the envelopes marked "R. S. McCracken & Sons Inc.", three dark smoked plates in envelopes marked "Impact Resistant Filter Plate, Jackson" and two in envelopes marked "Fibre-Metal, Atlantic Inc., CR-39 Plastic Cover Plate".    These 75 welders welder weld welding helmet plates are unused in their original envelope sleeves. They are sold as is and as pictured with returns not accepted. $20.00 USPS or FedEx postage.