Clarice Cliff, Art Deco and Design - 26 May 2021
A James Powell & Sons Whitefriars Threaded bowl designed by William Butler
A James Powell & Sons Whitefriars Threaded bowl designed by William Butler, footed, flaring form blue threaded on flint glass, unsigned, 14cm. high
Literature
Lesley Jackson, Whitefriars Glass The Art of James Powell & Sons, Richard Dennis Publications, page 121 plate 102 for a comparable bowl illustrated.