Hi Adams,
Glad to hear things are appearing to work out OK. I hope that continues.
I was able to buy replacement side marker buckets from Wilkinson for a very reasonable price (a few years ago). New, original parts and he may still have some. Door handles are more of a problem to deal with, but there was a full set of new locks on eBay recently. Not cheap, but likely the best you can do.
Regarding the welds, if you want to maintain as much originality as possible, I would expect that leaving them would be the route to go, although it's hard not to want to pretty it up after going to the trouble of repainting everything. I did clean up mine, just for the record.
Cheers,
Mark
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