10 Pfg crown / eagle with diagonal overprint \"China\", bright-purple-red, plate flaw III \"P of the right indication of currency Pf with short foot\", tied by single circle \"SHANGHAI 16 / 1 99\", in perfect condition, photo expertize Jäschke Lantelme BPP (2022) : \"in faultless, used condition. \", Michel 600.- - more probably a worse joke, or have they the stamp with plate flaw already so frequently seen like the 5 Mark top values?