1850, 10 C. Gray black, handmade paper, type Ia, from left margin of sheet (6 mm), in mixed franking with 5 C. Orange, with 1-2 mm St. Andrews cross extension right as patriotic franking on piece, tied by black two-line cancel \"TREVISO 7. MAR\" on piece, photo expertize Dr. Ulrich Ferchenbauer VOeB (2021) : \"natural, effective superb item! \"