Cowl Tag Info:

ST 73-4BP67X213771   BDY
TR 446              81-T PNT
xxx

ST-73 = 1973 Model Year
4 = Buick Motor Division
BP = Centurion
67 = Convertible
X = Fairfax, KS (General Motors Assembly Division)
213771 = Body Number
TR 446 = Trim code - Saddle Vinyl Notchback Interior
81 = Lower body color (Bamboo Cream)
T = Upper body color (Sandalwood Convertible Top)
xxx = Built  week of  197x

VIN:  4P67T3X192100

4 = Buick Motor Division
P = Centurion
67 = 2 Door Convertible
T = Standard 455-4 Engine
3 = 1973 Model Year
X = Fairfax, KS Assembly Plant
192100 = basic sequential production number (100001 was first built)

Notes: