Colnect-4072-536-Fleet-of-Columbus-Color-Error.jpg
Source: Colnect
Issued by: United States
Function: postage
Date: 1893
Issue: Columbian
Denom: 4c
Color: blue
Design: fleet of Columbus
Watermark: unwmk
Perf: 12
Catalog value:


Notes:
* Columbian 4c blue error
This error of color is distinctly different from the usual ultramarine.


External links:
Colnect 94850-..tes_of_America