1 Sgr. Rose, smooth ground, having full margins and having bright colours outstanding quality, neat cancelled with very scarce single circle \"OEDT 13 6\" (government Bez. Düsseldorf) on piece, photo expertize Brettl International Association for Philatelie Experts (2014) : \"In finest, faultless condition. \" and expertise Voigt VP (2019) : \"genuine and immaculate\"