1900 VRI 1/- on 1/- brown with CASLON SPACER BETWEEN V & R (SG 110var). VF/M example of this seldom encountered variety which affected some stamps from position 23 on the sheet. Shows a clear mirror image "CASLON" vertically to left of the R. An interesting stamp, rare. Photo-cert: Eichele BPB. See Buckley & Marriott Pg 76 for discussion. See additional image and of certificate below.