Manufacturing and uses of backing foils - some technical experiments

Hello, I am Christiane Stempel, goldsmith, conservator and responsible for the technological examination of Early Medieval garnet objects that have been brought to the Römisch-Germanisches Zentralmuseum in Mainz for scientific analyses within the project “Weltweites Zellwerk”. During my work, I made some observations that raised questions regarding the manufacturing and the use of the patterned foils behind the garnets. Fig. 1: Schematic figure of an Early Medieval garnet cloisonné (photo: R..