I went chasing pictures of 1962 Fords with 15 inch wheels, and came up with this picture of a 1962 Ford Galaxie 500 2 door Hardtop with optional 15 inch wheels fitted with 55/56 Ford Hubcaps. I don't know if these Hubcaps were officially added by Ford, or if they were the first ones the owner thought could be used with the optional 15 inch wheels?