Spain 1907 - Industrial exposure - color error - blue

Values of 15 Cts. 25 Cts. 50 Cts. 1 and 4 Ptas. belonging to the Madrid Industries series of the year 1907 with the colors changed to blue. Edifil Especializado nº SR2/SR6 All values except the 10 Cts. Mint, no gum as is usual with these stamps. Good condition. One value with a slight age tint that does not affect the stamp. Very rare. See photographs.

Stima:€1

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