Castelberg, Petitpierre & Co Castelberg & Co (from 1879)Maker name
Undated
silver
Seen on objects dated 1877 (registered Oct 1877).
silver
Antoine Castelberg & Fritz Petitpierre, watch & clock makers, Holborn Viaduct, London ; also had premises in Frederick Street, Birmingham & Chaux-de-Fonts, Switzerland