Provisional Government 1859, 20 c. grey-violet with full margins all round and 20 c. black-violet, imperceptibly touched at left, used on 1859 cover from Reggio to Ancona cancelled in blue with ‘Reggio’ datestamp (Dec 12) in blue. An extraordinary example of two listed shades of the same stamp on the same cover, almost certainly the sole example extant. Signed Jamet. R. Diena. Certs. Gazzi (1977), Sorani (1989), E. Diena (1993) (Sassone 15+15b = € 9.450,- +)
