Here's the Purol punched steel 24 gauge powder coated lenses. These are reproduction lenses marked 2020 at the bottom. Lenses are available in 15 inch and 16.5 inch and making a total of 50 sets. Lenses are $225 per set shipped. If interested send me a PM and I will send you my PayPal info. Last picture shows the tabs you will have to push in.

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Thanks.
Mike B.
916-768-5466 cell.