What's this shift pattern?

Looking at this picture-that's the bit I bought. I've cut away all but the indicator and will mount it atop my Chrysler Tilt-n-Scope column. Thanks.

 

my 55' Buick has this pattern....

 

50's cadillac?... im not sure they had park though. pnrdl? you mean prnd12?

 

d2 willys is correct: GR is grade retard and i'm the retard today! wow my memory really must be getting fogged!