1 / 2 Groschen black, rose gum on front of cover with cancellation "CELLE 27 / 12 9-10", of the cover collection Broeckel to Celle, stamp fresh colours and normal rouletted (reverse thin left at the bottom), photo expertize Michael Jaeschke Lantelme BPP (2023) "letters from the cover collection Broeckel are only in some few copies registered; that it be only about a front of cover act, is with E. without major meaning.