1990 & 1991 seems to be a year when Buck used some interesting handle materials on production 110's. I have a red jigged bone 110X, a brown jigged bone 110X, a grey smooth bone 110X and a white smooth bone 110+. My questions are (1) What other handle materials, if any, were used on production 110's during this time period and (2) Were any 112's made with the above listed bone handles? Any help would be greatly appreciated.