3 Sgr. Black on yellow, having full margins and having bright colors outstanding quality, neat cancelled with number postmark "171" - Dahlbruch (government Bez. Arnsberg) on piece, double given away number postmark, photo expertize Brettl International Association for Philatelie Experts (2013) : "genuine and immaculate" and expertise Voigt VP (2019) : "genuine and immaculate"