Bidspirit auction | 1859 - 10 gr. Cupo

1859 - 10 gr. Cupo blue grain (12), block of 28 specimens, ivory head on the reverse, excellent condition, exceptional freshness, original rubber, integrates for nine specimens. Very rare, from exposure. Signatures g.oliva, e.diena, Raybaudi, Cert. Ferrario. Cat. 74.000