1859 - 1b light blue, essay on thin white wove pap
1859
1859 - 1b light blue, essay on thin white wove paper, gummed with natural paper creases and intact original gum. Extremely rare, one of the few known copies, perfect, probably the finest existing. Signed Em. Diena, certs. Ghiglione and Manzoni (Sassone P1 - Euro 48.750)
