Lot 1669 A CAGE CUP (DIATRETUM), CIRCA 300 AD

This cage cup, also known by its Latin name Diatretum, The cup is made from a single piece of glass, crafted into two distinct layers. Inside is a smooth, functional drinking vessel, while the outside features a decorative openwork cage.
This cage is not separate, but intricately attached to the inner cup by delicate glass struts.
The outer layer often features geometric or floral patterns—such as circles, vines, or even inscriptions. Height 9.5 cm. Diameter 12 cm. Diatretum cups were luxury items, likely used during ceremonial banquets or given as gifts among the elite. They were not everyday drinking vessels, but rather status symbols. Owning such a cup signified that the person was wealthy, influential, and cultured. PROVENANCE
Private collection Austria