50 Billions Mark \"rosette pattern\", bright cobalt blue / blackish cobalt blue, rouletted, cancelled \"Berlin C (*25* 3.12.23\", faultless condition, expertized Peschl and new photo expertize Dieter Weinbuch BPP (2022) : \"the item submitted for inspection has fresh colours, has a very good roulette and is in perfect quality. \", Michel 900.-