Collector-Grade Vintage American Optical (AO) Flexi-Fit Safety Glasses. Available for your consideration is a stunning pair of original 1960s/70s AO Flexi-Fit safety glasses in the iconic "6G" Smoke Gray color. These are true industrial survivors, perfect for a collector or for someone looking to add prescription lenses to a high-quality vintage frame. Also includes original vintage tan vinyl slipcase with maroon felt lining from "Pips Opticians."
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