1859 2 Gr. Plate I, non-porous paper (NA), cobalt-blue (cobalto), with good to large margins. Slight surface scrape. Mint with original brownish gum. A fine unused example of this attractive shade.
Expertise: Signed “ED” Emilio Diena and “AD” Alberto Diena. Cert. Giacomo Bottacchi, AIEP (2026).
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