2 1/2 Dollar imperial yacht, 25 : 16 perforation holes, cancelled by single circle postmark \"TSINGTAU 20 / 12 05\", faultless condition, signed Ebel, Pfenniger, Richter among others as well photo expertize Michael J+?schke Lantelme BPP (2024) \"fresh colours, well perforated and in faultless, used condition. \", Michel 4.200.-