5 Pf. on 10 Pf. crown / eagle with diagonal overprint"China", double overprint" 5 Pf. ", overprint type 1, the double overprint emerged, there to of the first printing plates conversion the overprint 5 Pf. to deep stand, within a second printing process was the overprint once again a little higher advisable, centric neat cancelled "TSINGTAU 28 / 7 00", beautiful extremely fine copy - probably of an of the most beautiful known copies, signed Carl H. Lange, photo expertize Jakubek (1992) and new photo expertize Steuer BPP (2014) : "the very scarce and very fine copy. ", Michel 22. 000.