Block issue "German Red Cross", with factory watermark "Ligat", postmarked "NCKOB * K * / 30 3 41", format 115 x162 mm, in flawless used condition! The block shows a strong downward perforation! In this form extremely rare, signed Zirath BPP and photo certificate Walter Zirath BPP (2025): " The condition is flawless. Strong downward perforation. This block is very rare.", Michel 1.000.- + +