1899 5p orange and black, center inverted, centered to top, heavy h.r., fine and rare, only 50 printed, cat. $2750 (Cat No. 140a) (Image)

Cat. $2750, Est.US$1,500

1910 Centenary of the Republic, 1/2c black & gray, 2c olive & gray, 4c dark blue & green, 12c bright blue, 50c carmine & black, also 5p orange & violet, six different, each with center inverted, well centered, lightly hinged and incredibly fresh, several pencil signed, mostly v.f., with 2008 Pascal Scheller certificates. A rare group of inverted centers, cat. $5200 (Cat No. 160a/173a) (Image)

Cat. $5200, Est.US$4,000