The comparison of chemical compositions of ceramic bodies of nine Byzantine plates kept in the Musée national de céramique, Sèvres, with those of reference archaeological samples enabled us to associate most of the plates to the 12th-13th century production of Chalcis. Two pieces, however, raise the question of authenticity. Geochemical perturbations related to prolonged immersion in a marine environment are also discussed and a specific methodology is proposed.

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Roland-Pierre Gayraud et Lucy Vallauri
avec la collaboration de Guergana Guionova et Jean-Christophe Tréglia
et la participation de S. Yona Waksman, Claudio Capelli et Roberto Cabella
Fustat II. Fouilles d’Isṭabl ʿAntar. Céramiques d’ensembles des IXe et Xe siècles
FIFAO 75, Institut Français d'Archéologie Orientale, Le Caire, 2017
 

Chalcis was identifed as a production center of amphorae types Günsenin 2 and 3 - a prominent one for the latter type. This new result further highlights the role of Chalcis in maritime trade involving both food containers and tablewares, already pointed out by our study of the "MBP" tablewares.