3 penny crown / eagle with diagonal overprint \"China\", mid-brown, from upper margin of sheet with figure of value of rows 1, 80, upper margin crease and rest of hinge, stamp impeccable mint never hinged, mint never hinged pieces of evidence the Michel no. 1 Ia are extremely rare and only in few copies registered, totally undervalued rarity the foreign mail in China, photo expertize Ronald F. Steuer BPP (2023), Michel 5.000.-+plus