Lot
146 
1893, 4¢ Columbian, blue color error, o.g., lightly hinged, beautiful rich distinctive color on bright paper, far better centering than normally encountered, F.-V.F.; with 1991 P.F. certificate.Scott No. 233a $20,000.
AN ATTRACTIVE, COMPLETELY SOUND MINT EXAMPLE OF THE ICONIC 4¢ COLUMBIAN ERROR OF COLOR.
The 4¢ Columbian color error was a result of using the blue ink intended for the 1¢ Columbian value. At least two sheets where printed coming from plates D17 and D18 (the plate numbers from these sheets still exist) with very few examples, both mint and used, surviving from these printings.
Current Opening Bid: $4,250