Keith Comstock is a Baseball-Player, currently playing for . Keith Comstock was born in in . There are currently 56 Cards of Keith Comstock in our Database including 1 rookie Cards and 54 variations Cards. The most valuable Card of Keith Comstock is currently 1991 Topps Desert Shield #337 Keith Comstock PSA 10 by Topps from 1991 with a worth of approx. $129.0.