Spain 1927 - Very rare 40 Cts. Red Cross - without denting, color error. - Edifil Esp nº 333ecs

Very rare color error without denting on a 40 Cents stamp from the series of
25th Anniversary of the Swearing-in of the Constitution
Alfonso XIII of the year 1927.

Edifil Specialized 333ecs

Green color instead of blue.

With specimen (sample) from Waterlow & Sons.

Normally, this rare seal has a drill, but this specimen does not.

New without rubber, well-preserved.

In the last photograph, the normal seal for comparison can be seen (not included).

See photographs.