1857 - 2nd issue, 1q black, block of sixteen, mint
1857
1857 - 2nd issue, 1q black, block of sixteen, mint with full gum, ten MNH. Splendid rarity. Signed Grioni, A.Diena, cert. E.Diena and financial Cert. Bolaffi 100%: '...the largest known block except for the complete sheet from the former Rotschild collection' (Sassone 10 - about Euro 107,500+)
