4 - 30 Pfg Helpers of Mankind cum rights sheet margins, 4 values complete, on First Day Cover from\" (14 b) METZINGEN 23.10.51\" to Antwerpen / Belgium addressed, stamps faultless, cover with slight traces of use, one of the rarest First-Day-Covers of the Federal Republic of Germany, photo expertize H. D. Schlegel BPP: \"item submitted for inspection genuine. \", Michel 1.400.-