I'll send you my list of S. Dak. chips if you would like it, Thom. I have most $1 & $5 chips but no $25 or $100 chips. There are two lists available: Campiglia & Wells, The Official U. S. Casino Chip Price Guide, pp. 310-315 and Finstuen & Dimler's "Thne Assassination of Wild Bill Hickok.