5 Pf. On 10 penny crown / eagle bright-purple-red with black, diagonal typography overprint \"China\", overprint in type 6 - which only twice in the half sheet on field 3 and 15 occurs, cancelled \"Tsingtau Kiautschou * a 1/8 00\", expertized Mansfeld with certificate and photo expertize Steuer BPP (2022) : \". Very scarce copy is in perfect condition. \", Michel 5.000.- (free of premium for the very scarce overprint type 6! )