Huévar, block of 4 with overprints, one inverted, unlisted, MNH
Referència C03078
Bottom right corner stamp with inverted overprint. Allepuz only lists this variety on perforated blocks of 4 (nr. 125), but he does not record the same for imperforated. Very rare.
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Bottom right corner stamp with inverted overprint. Allepuz only lists this variety on perforated blocks of 4 (nr. 125), but he does not record the same for imperforated. Very rare.