His toughest cards for me to get were his 55 and 56 Topps Hocus Focus cards.
Here is his mysterious 1973 Topps "1953 Reprint" card ( mysterious in the sense 3 of the 8 cards in the set are incorrectly identified and the puropse and origin of the set ambiguous)
And not long back SCD did an article on this scarce but recurring variant ( it is not a miscut)