1912, 1¢ Green, Kansas City Roulette, imperforate between, right margin block of six, o.g., never hinged, imperforate between center vertical rows, proper authentication handstamps on reverse; natural gum bend affects three stamps, Very Fine; with 2001 P.S.E. certificate. Scott No. 408 var.  Estimate $1,000 - 1,500. $0 (Image)