1934, 3¢ Parks, Imperf Horizontally, vertical pair with right sheet margin, o.g., never hinged, deep rich color, Post Office fresh, Very Fine and choice, a rare never hinged example, with only one pane issued; with 2001 P.F. certificate and 2001 P.S.E. certificate. Scott No. 742a  $1,500. $0 (Image)