USA (Scott 490) 1916 WASHINGTON COIL 1¢ GREEN, LINE STRIP Used line strip of 3, joint line between 1st & 2nd stamp. Right pair superb, left stamp slightly nibbed perf top left, otherwise extremely fine. Cat value $13.
Regency-Superior, Aug 2015, Sale 112, Lot 880
1c Green, Coil (Scott 490). Mathematically precise centering with wide margins, neat machine cancel, Extremely Fine Gem, absolute perfection, with 2011 P.F. and 2008 P.S.E. certificates (Gem 100, SMQ value $110.00 as 98, unpriced in higher grades), this is the highest grade awarded and it is shared by no others
Robert Siegel Auction Galleries, Oct 2012, Sale 1032, Lot 3579