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