[Jaems]

I googled "Hella Fluted headlights lens" There still several places that sell the lens.

VWC-111-941-115-HH - HELLA STYLE FLUTED GLASS HEADLIGHT LENS - BEETLE 46-66 / BUS 50-67 - SOLD EACH

Headlight Glass

111941115EV - VW Fluted Euro Headlight Lens, Bug-66

I just found this: The complete Euro fluted Porsche assembly and parts. I did know they had them.

Aase Sales Porsche lights and lens | Aase Sales Porsche Parts Center