Loetz (Austrian), an iridescent ‘New Diaspora’ glass vase, c.1920, ground out pontil, The blue/black glass of oviform with everted rim, decorated with dispersed blue iridescence on an apparently mat black ground, having a polished interior, 21 cm high Property from a private collectionUnidentified base colour glass. A few tiny bubbles from the making. A few tiny abrasions. Wear to base.