Is there any firm evidence for a Davidson attribution for this piece, Roy – catalogues, marked examples, etc. ?
Does anyone have a marked example of this pattern to confirm its attribution, please?
Such much of this blue opalescent glass is automatically presumed to be by Davidson when often it is known to be attributed to another manufacturer. (I prefer to reserve the term pearline just to attributable Davidson pieces).
I can certainly see why your first impression of this vase was that it was by Greener. The cordate /heart-shaped foliate decoration to the sides is not dissimilar to that of the Greener & Co. RD 217749 (registered 10 April 1893), though I have only seen clear flint glass examples in the pattern, and there are plenty of marked Greener & Co. pieces known in both blue and yellow opalescent glass.
Fred.