1901 1c green and black, center inverted, small h.r., fresh color, a fine copy of this popular rarity, with 2018 PSE certificate (most examples of the 1c Pan-American Invert are off-center and often disturbed gum. The example offered here is fresh and quite nice) cat. $12500 (Cat No. 294a) (Image)

Cat. $12500, Est.$6,000