I need help decoding my ID Plate of my 1951 Buick Roadmaster. 1951 MOD 51-72 STYLE No 51-4713 BODY No G 866 TRIM No 72 PAINT No 13/BD TOP ACC My son just gave this to me and it is in good shape. Is this a Riviera ? The Vin number doesn't make sense either and is ,listed next. 16I88887 The last is the number off of the manifold. 1288765 Thank you for any help, I am new at this. Vic McDonald