I don't know if these count since I didn't actually pay anything for them.
3 weekends ago somebody left a nice Ping Rapture 3 wood with a broken shaft in the trash at the course.
All I did was clean it up and drop a leftover fairway shaft it it. Looks and plays very good.
This past Saturday someone left a very nice 2019 TM M2 5 wood head with about 3" of shaft left in it.
Did the same thing - pull broken shaft and replace shaft. Looks great but I haven't hit it yet.