Spain 1952 - San Francisco Javier - brown color error...

Highly rare color change on the Saint Francis Xavier stamp from the year 1952. Edifil Esp. No. 1118cca. Color brown instead of blue. Stamp listed in Edifil Especializado but without a price due to its rarity (see catalog photograph). In the last photograph the color error is visible on the left and the normal stamp on the right (not included). A black-and-white photocopy of the expert opinion by F. Graus is included, in which this stamp appears as a pair (the stamp on the right). Good condition. See photographs.

Estimation:€2,400

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