Guam, 1899, 1¢ deep green (Scott 1 var), 1900 Special Printing, horizontal pair, o.g., previously hinged, fresh with proof-like color and impression; small thin resulting from hinge removal, Fine to Very Fine, only one pane of 100 produced, with 1974 and 2009 P.F. certificates. Scott $2,000 Suggested Bid $750-1,000 (Image)