Denmark, 1851, 2rs blue, 4rs brown, former large to huge margins, cancelled by "1" in target cancel (Copenhagen), two of latter, both First Printing, one unused original gum (ample to huge margins, Fine), other huge margins on May 12, 1851 folded letter (no side flaps) from Copenhagen to Roskilde; No. 1 tiny thin spot, a Very Fine group; No. 1 with 1999 Roumet certificate and unused No. 2a with 1988 Dr. Debo certificate. Scott Nos. 1, 2a  Estimate $600 - 800. $0 (Image)