m1 garand bayo. with brown grips

[RLE65]

i just picked up a 10 inch a.f.h. m1 garand bayo. with brown grips on it. when did they make the brown grips? and are they a common find? any info. would be great.
thanks

[Dan Shapiro]

Here ya go, courtesy of Gary Cunningham:
The info you want is at the bottom of the page.
http://www.usmilitaryknives.com/bayo_points_23.htm