Cowl Tag Info:

ST 73-4BP67Xxxxxxx   BDY
TR 444              48-T? PNT
xxx

ST-73 = 1973 Model Year
4 = Buick Motor Division
BP = Centurion
67 = Convertible
X = Fairfax, KS (General Motors Assembly Division)
xxxxxx = Body Number
TR 444 = Trim code - Sandalwood Vinyl Notchback Interior
48 = Lower body color (Midnight Green)
T? = Upper body color (Sandalwood Convertible Top?)
xxx = Built x week of  197x

VIN:  4P67U3X151380

4 = Buick Motor Division
P = Centurion
67 = 2 Door Convertible
U = Optional 455-4 Engine with Dual Exhaust
3 = 1973 Model Year
X = Fairfax, KS Assembly Plant
151380 = basic sequential production number (100001 was first built)

Notes: