I have an older dan wesson revolver 44 mag that iam looking at saling and was woundering what it would be worth if any one could help.it is blued 98%condition 8" 44 mag.i have had this gun for about 20 years so i think it was pre cz .any help would be aprciated.it does hav rubber grip and vent rib ser# 003849 if that helps thanks.