USA. 1860. George Washington, 90 Cents, blue (perf. 15½). Most attractive copy in fresh colour with imperforated left margin and a light grid “PAID”cancellation. One of the rarest stamps of the U.S. in excellent and flawless condition. Sign. Holcombe. Photo-cert. Heinzgeorg Richter. Michel EURO 8.000 [ 15 ] [ ⊙ ]