I have some Warthog Tusks that I would like to part with but im not sure what they are worth,this is what I have, set of 4(2 tusks per set)and some singles(2 singles).The first set both are 9",the second set both are 8"1/2,the third set are both 7" and are thin,the forth set are both 6" and I have 1 single at 8" and 1 single at 7".Your thoughts.