1920, 'Sarre' overprint on Germania, unissued 3 mark black-violet, very nice and deep colour and with good perforation, unused with fresh original gum and hinge remainder. A very fine copy of this rare stamp of which only one sheet with 20 stamps was printed. Three different signatures including Georges Barbe, certificates Robineau (1966) and Burger BPP (1999) (Mi. € 20.000,-) (Image)