Fuente de Piedra, unlisted inverted overprint and double perforation

Reference: C03666

Fuente de Piedra. Block of 4 with inverted overprint on the first stamp, plus double horizontal perforation. Unlisted. Favour postmark.

€ 180

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Fuente de Piedra. Block of 4 with inverted overprint on the first stamp, plus double horizontal perforation. Unlisted. Favour postmark.