I think wood would be the best material for the knife handle and 1911 grips. I have grips in birdseye maple, ironwood and walnut, and CC's in ironwood and maple burl. Any of those would work for me.
I like sawteeth too

Peter
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Peter Kaufman
NRA Life
GOA
SAF
RKCC CM-023
RKS #5642
SHAG # 005
Ironwood Nut
Life is too short to have ugly knives