1863 - Experimental stamp, 1c light greysh green c
1863
1863 - Experimental stamp, 1c light greysh green crossed by a white horizontal line and without watermark, block of four upper left sheet corner, MNH. Rarity, Cert. Bolaffi 75% and E.Diena (copy) (Sassone 14S - € 120.000+)
