Johann Carsten Eitzen II, Cuxhaven, active 1815 when he took over his father's workshop until his death 1863. Ref. W. Scheffler, Goldschmiede Niedersachsens , Halbband 1: Aerzen-Hamburg, p. 281 no. 7. He can also be found in Theoderich's excellent website "Alte Beschauzeichen deutscher Städte&q...