Your vase appears to be Venetian. The soffiati vases with pears were very popular in the late 1920s-1930s. I have had a few of the pear pieces and have not been able to track them down with any degree of certainty. Companies that made pear pieces include Barovier, Salviati, Venini, and probably Cappellin (Zecchin). There were probably others. The style of your vase fits nicely into the time frame. The Zecchin designs were not signed, even for the Venini pieces.