If you look through some previous postings, you'll see the NOS sealed beams I sourced, the correct seals, and also the restoration of the original headlight rims. This weekend I was able to finish the headlights.
I was able to communicate with Jan Kolm about the numbering on the headlight glass. Most guys know it should be raised on the outside of the glass, but the numbers that curve along the bottom correspond to when the glass was produced. That numbering system is not well understood, but there are some good data points. I needed to understand it before sourcing replacement glass (mine was really really bad). In an email to me Jan said
The digits in front of 60370-03 are used in chronological order, the lowest numbers dating from the end of 1963 and the highest numbers in the low 30s (1970s-80s replacements).
I have a VW headlight assembly dated A40 (probably close to yours), with a lens marked 10-60370-03. The leading numbers do not need to be matching, but should be close (within 1-2 numbers).
With this information, I was able to get 11-60370-03 from Elizabeth Richardson- Thanks Elizabeth!
Then, armed with all the right parts, I only had to clean, paint and polish.
Final results below.
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