I've been searching around a bit to decode my build tag to see what i really ended up with

1957 Pontiac

Serial: 72019D837884

Body No: 3384

Paint: 2004

Trim 908

Any help would be appreciated :)

72019D837884

7 = 1957
2019D = Laurentian
     2 = Pontiac
     0 = Pathfinder Deluxe and Laurentian
     19 = 4-door sedan
     D = Laurentian
8 = 8 cylinder, V8
37884 = sequence number unique to car starting at 00001

Paint:  2004

2 = Pontiac
0 = Solid color
04 = Highland Green Metallic