Chile, 1911, 20c Orange Red & Black, Center Inverted. Tied in combination with 1912-13 10c blue & black by "Iquique" circular datestamp on Jan. 1916 registered cover to Lima, Peru, purple registry handstamp, vertical fold clear of stamps, Very Fine, rare use of the 20c 1911 Invert on cover. Scott No. 105a  Estimate $1,000 - 1,500. $0 (Image)