Original equipment wheel size for a 1968 coronet r/t convertible

[JOMIDABR]

Looking to put dodge rallye wheels on my 1968 coronet r/t convertible. Can anyone help with the original equipment spec's / size of these wheels. Currently the car has 15" cragers. I believe that Original equipment was 14". Thanks for helping.

 

[PP1RT]

14x5 1/2

 

[JOMIDABR]

Thank You. Much appreciated.