1 Dollar imperial yacht, blackish blue, 26 : 17 perforation holes, retouching I "numeral of value 1 crosswise hatched" (field 13), tied by single circle postmark "TSINGTAU 26 / 3 06", faultless condition, photo expertize Jäschke-Lantelme BPP (2018) : "in faultless, used condition. ", Michel 800.-