Those don't looked to bad , have you considered refinishing them
I have brought grips in far worst condition back to quite presentable in fact down right nice...
as an example the first photo is a set of rear vintage 1950's wood grips for H&R revolver
they were found in parts pile. Dry, chipped and finish peeling pretty rough.
The revolver right top, was an unfired model 929 1980 manufacture that had a cracked set of plastic .
these after they were refinished (hand rubbed with Skidmores ) replaced the cracked Black plastic.