1 / 2 Dollar on 1 Mark German Reich, 26 : 17 perforation holes, overprint flaw \"left rosette on a tip standing\" (field 20), used \"Shanghai 10 / 11 05\", faultless condition, signed Dr. Steuer V+?B and photo expertize Michael J+?schke Lantelme BPP \"in faultless, used condition\", Michel 250.-