1893, 6¢ Columbian. Tied by "World's Fair Station, Oct 14, 1893" Exposition machine cancel on blue illustrated Schaefer & Co. exposition cover to Dresden, Germany, receiving backstamp, Very Fine. Scott No. 235  Estimate $150 - 200. $0 (Image)

1893, 6¢ Columbian. O.g., never hinged, well centered amid wide margins, rich vibrant color, uncommonly fresh, Very Fine; with photocopy of 1992 P.F. certificate for block. Scott No. 235  $225. $0 (Image)

1893, 6¢ Columbian. An incredibly fresh, well centered block of 4 with bright color and paper, o.g., lightly hinged at top, never hinged at bottom, Very Fine. Scott No. 235  $630. $0 (Image)