Cowl Tag Info:

ST 73-4BP67Yxxxxxx   BDY
TR 444              48-A PNT
xxx

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

VIN:  4P67T3Y174838

4 = Buick Motor Division
P = Centurion
67 = 2 Door Convertible
T = Optional 455-4 Engine
3 = 1973 Model Year
Y = Wilmington, DE Assembly Plant
174838 = basic sequential production number (100001 was first built)

Notes: