1850: Carta a mano 10 c. silver-grey type Ib from the first print run on very thin paper in a horiz. pair, superb colour with good to large margins all round, tied by two-line "TREVISO 29. GIU" datestamp to piece (detached for inspection and hinged back). A rare and scarce item, cert. Ferchenbauer (1990) Ferchenbauer = € 2'000+.