Very sorry to hear, Mike!
Having revived this once popular thread, (all the photos shrunk!!) I"ll show off some acquisitions...
I've gone on a tear for grips since I found out I didn't have to make ALL my own!
60-70's vintage Herrett thumb rest on 1970's K-22:
.22 Kit Gun with older Herrett.
30's .22 Outdoorsman with 40's(?) Fitz plastic(!) thumbrest, very comfortable!
J-frame M-36, .38 with Fitz plastic grips.
Tour de force custom Keith Brown fancy walnut on M-13, 3" .357!
Have another set of Keith Brown custom target grips on order for K-frame!
And am bidding on Sanderson thumb rest targets today!