1852 - 1/2baj greyish violet, two copies and 1/2ba
1852
1852 - 1/2baj greyish violet, two copies and 1/2baj violet, two copies, from Viterbo to Valentano. Rare combination of "twin values" franking with different colors. Sign. A.Diena, Cert. Sorani and Manzoni (Sassone 1A+1Aa - € 4.800++)
