There has been some odd crimping just beyond the lug, Grant does note that is a stress riser there and indeed there is but those multiple marks about the tube have me really wondering.

I don’t think Medicis were pinned.

lugs are investment cast so sweating out the tube should be containable.

replacing the tube is quite possible, now the economics… probably not reasonable if you want a restoration of the original paint and graphics.

these bikes are about to be recognized and past their scandalous history but it has been that was for years