1860 - 1/2 t deep blue 'Crocetta' on newspaper L’O
1860
1860 - 1/2 t deep blue 'Crocetta' on newspaper L’Omnibus no.19 dated 12 February 1861 (pos. 18 of the Em. Diena study and pos. 58 of the De Angelis Pecchi study). Cert. Manzoni (Sassone 16b - Euro 24,500)