Range Servant tokens

putting this up as much for my own reference as anything, here are the 10 varieties of range servant ball machine tokens I have found to date.
Narrow ridge brass
Narrow ridge stainless
Wide ridge brass
Wide ridge stainless
"UFO" single divit stainless
"UFO" double-divit brass
"UFO" double-divit stainless
Flat double-ridge stainless
Round Die-Cast(?)/Copper(?)
Round Stainless
Narrow ridge brass
Narrow ridge stainless
Wide ridge brass
Wide ridge stainless
"UFO" single divit stainless
"UFO" double-divit brass
"UFO" double-divit stainless
Flat double-ridge stainless
Round Die-Cast(?)/Copper(?)
Round Stainless