1935, 1¢ Parks Souvenir Sheet, With Original Gum, top margin horizontal pair of souvenir sheets with vertical gutter between, o.g., never hinged, full margins around, bright and fresh, Very Fine, unlisted and unpriced in this scarce original gum format; with 2012 P.S.A.G. certificate. Scott No. 769 var.  Estimate $300 - 400. $0 (Image)