What you might investigate is with some of the local vehicle wrap people to see if they might replicate that pattern on a piece of wrap vinyl, then cut it and apply over the older areas, like a decal or sorts. Or perhaps they might have something very similar in their portfolio of designs?
I don't know if they might, but as long as you're not going to use it to make money off of, only for personal use, somebody might do that. If you were going to sell it, as a business, that could be a different proposition.
Only thing is that you might have to purchase one panel of wrap, which might be a bit expensive, possibly. Then figure out how to cut it to width and length.
Thanks for posting the pictures of the moldings!
Just some thoughts,
CBODY67