Antique Art Nouveau Silver Plique-à-jour Glass Pendant BroochAn exceptional piece of antique plique jour jewellery in the form of a brooch that can also be worn as a pendant. The brooch features the most beautiful plique jour glass detailing in a lovely green tone which is illuminated by clear paste stones with a little flower sitting at the centre of the brooch and a fleur de lis on the top. The brooch features a secure hook 'C' clasp with two hooks for a chain to be worn as a pendant. The pendant sits