Small Italian glass opaline glass vase. Made in Venice by Vincenzo Nason & Cie. Comes from the "Opaline de Venise" series.  This piece is attributed to the mentioned designer/maker. It has no attribution mark and no   official proof of authenticity,   however it is well documented in design history. I take full responsibility for any authenticity         issues arising from misattribution Design History, History Design, In Design, Venice, Glass Vase, 1960s, Vase, History, Glass