Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 2

Italy

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Start price: $400

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1980, Castello di Cerro al Volturno – Castello Bruno (castle in brown), 200L brown, color error, a single with strongly misplaced horizontal perforation, full OG, NH, VF, Raybaudi certificate, Sassone #1516 var, Bolaffi #1621B, €11,000, Est. $600-$800, Sc. #1420 var