Cowl Tag Info:

ST 71-46667Yxxxxx   BDY
TR 465              49-B PNT
xxx

ST-71 = 1971 Model Year
4 = Buick Motor Division
66 = Centurion
67 = Convertible
Y = Wilmington, DE (General Motors Assembly Division)
xxxxx = Body Number
TR 465 = Trim code - Pearl White Vinyl Notchback Interior
49 = Lower body color (Verdemist Green)
B = Upper body color (Black Convertible Top)
xxx = Built x week of x 197x

VIN:  466671Y163758

4 = Buick Motor Division
66 = Centurion
67 = 2 Door Convertible
1 = 197 Model Year
Y = Wilmington, DE Assembly Plant
163758 = basic sequential production number (100001 was first built)

Notes:

Documented by RJA
August 7, 1982
BCA Regional - Indianapolis, IN