This is a Rare Antique Sowerby , Opalescent Glass Vase  with 3 Swans & Cattails.It is  approx 9.5 cms height,it has a beaded rim & 3 Relief Swans with necks down &  relief Cattails in background.Beautiful smoky blue tint to  Swans & rim.It is in good condition with no damage ,cracks  or chips...... just  surface water marking inside from halfway down.Base rim has general wear & Lozenge Diamond mark & Sowerby Peacock  are on centre of base in relief.Please see photos for all details..............Circa 1880.