Hogue Pao Ferro grip panels for the model 59.
Sorta makes it look like a completely different pistol.
I posted the other images somewhere else......If I am clever, I can move 'em over here for comparison.
New wood:
S&W model 59 new wood 002.jpg

S&W model 59 new wood 006.jpg

Original plastic:
S&W model 59 ~1977 002.jpg

S&W model 59 ~1977 005.jpg