1862 - 10c dark brown, BL4 (one with lower sheet m
1862
1862 - 10c dark brown, BL4 (one with lower sheet margin imperforate, another with right sheet margin), from 'PALERMO 20 SET 62' to Mussomeli. Quadruple rate franking, very likely the most important multiple of the 10c dark brown. Cert. A. & E.Diena (Sasso
