10 penny crown / eagle dark rose red (UV = yellowish orange luminous) with typography overprint \"German Southwest Africa\" (2) in mixed franking with 5 penny crown / eagle with typography overprint \"German Southwest Africa\", properly franking on registered cover from \"Windhoek 8 / 3 01\" with provisional registered label to Baden Baden, reverse arrival stamp \"25.5.01\", photo expertize Jäschke Lantelme BPP: \"the stamps, a vertical pair, are fresh colours and find be except for the lower value (short perforation at the bottom) in faultless used condition. The letter, the postal route regular passing through has, shows reverse a small defect. \", Michel - . - entire pieces with the 7 d are only in few copies known!