Table setting for a Nawab… Ewer and cup, Awadh or Bengal. 1725-1750 . Cobalt blue glass with gilding “ Indian glass is rarely attributable to a known person or place of production. To date, the earliest example of provenance appears in a group of vessels known as the “John Deane Service Set”. “From Mughal Glass- a history of glass making in India by Tara Desjardins.