1859 - Sardinia 10c greyish brown, 20c dark blue, 40c brick vermilion and 80c dark ochre orange, on piece canceled "MILANO 21/7" (59) (C1). Extremely rare four-color franking used during the Provisional Government, with all perfect copies. Cert. Manzoni and Raybaudi (Sassone 14A+15B+16Ba+17c - € -)
