Rare pair of WAS Benson candlesticks

Rare pair of copper and brass counterbalance Art Nouveau cantilever mantelpiece candlesticks, by WAS Benson, c1900, with typical Benson copper floral leaves and sconce base; sinuously curved elongated arm on stylised trefoil feet and large weighted ball end. Model 204 (stamped as such) as appears in the 1899-1900 catalogues.
Also illustrated in the Collectors Style Guides, Arts & Crafts by Malcolm Haslam page 63.
Approx 12" end to end.