1859 50 Gr., dark violet-brown lake (lacca bruno scuro violaceo), left sheet marginal block of four, the upper right stamp, position 62, showing the double engraving variety. Fresh mint multiple with original brownish gum.
A rare and highly attractive positional multiple, enhanced by the desirable sheet margin and the presence of the celebrated double engraving at position 62. An outstanding exhibition-quality piece.
Expertise: Signed "AD" Alberto Diena, Cert. Giacomo Bottacchi, AIEP (2026).
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