OK, for 1946-1960 I would have to say for the Cadillac it would be the 1958 Eldorado Brougham. Had the stainless roof and I believe suicide doors. For the Lincoln it would be the Mark II.
For 1961-1970, 1969 Lincoln Mark III and 1962 Cadillac Fleetwood, and Eldorado.
For 1971-1980, I...