My car has aftermarket A/C and therefore of course has some extra hoses. Two of those hoses were taped together, I thought for routing purposes, but Sunday I had the hood open and noticed a little bit of metal poking its way out of the tape. Closer inspection revealed it was the tip of a key, and after I cut them out I realized I'd found the set of original keys that were sold with the car in '68! "Family of Fine Cars" and everything. Cool stuff.