Middle coat of arms of the Free and Hanseatic City of Hamburg, Germany.
Based on File:Mittleres Wappen der Freien und Hansestadt Hamburg.png, elements from File:Wappen_der_Hamburgischen_Bürgerschaft.svg
Unknown authorUnknown author; Vectorization:  MaxxL   and  User: Perhelion   and  user:Fenn-O-maniC