This is Heisey's #3355 Fairacre 12" vase. This vase is bi-color: Crystal bowl with Moongleam stem and foot.
It is decorated with silver overlay done by an unknown outside decorating company. It has a diamond optic.
The vase can been found in all Flamingo, with a Crystal bowl and Flamingo stem and foot and as shown. Made from 1925 to 1937.
Fairacre was an extensive stemware pattern that included a 54 oz. footed jug. Heisey added this tall, footed vase to the pattern line.