IMJ275853 Cup bases (glass & gold leaf) by Roman, (4th century AD); diam: 10 & 11.7 cm; The Israel Museum, Jerusalem, Israel; (add.info.: gold leaf designs incised into glass, which were then sealed with a glass bubble and used as bases for cups and bowls, they were first discovered in catacombs in Rome in the seventeenth century; the two depicted here show the upper register of a Torah ark and a menorah;); 穢 Israel Museum, Jerusalem ; Gift of Jakob Michael in memory of Erna Sondheimer-Michael; out of copyright.