1918, courier mail, mail taken or carried on foot Vaduz - Sevelen: 10 Heller red / black, field 3 the half sheet 2 - field feature \"bulge within right\", three sided perforated, above unperforated, unused with original gum, faultless condition, signed Rupp and photo expertize Dr. Johannes Hoffner BPP (2023) \"perfect quality\", Michel 700.-