A James Powell & Sons Whitefriars glass tazza probably designed by Harry Powell
A James Powell & Sons Whitefriars glass tazza probably designed by Harry Powell, shallow foot supporting twisted stem and fluted, shallow bowl, unsigned, 15.5cm. high
Literature
Wendy Evans, Catherine Ross and Alex Werner Whitefriars Glass James Powell & Sons of London, Museum of London, page 80, this shape illustrated plate 80 (bottom row far right).