Art Nouveau, Set Of 10 Iridescent Glass Cups, Austria, Loetz?

Beautiful suite of multi-lobed cups, in the shape of flowers, blown glass in molds, gold background and iridescent from blue to red, there are 10, each slightly different from the other, either by size or by color or shine. We find these cups, often attributed to Loetz and his family, adorned with art nouveau mounts of the type shown in the last picture. Mine have not mountings ... They can therefore appear on a table served. Beautiful Austrian Art Nouveau glassware, a rare set ... Dimensions = 14cm and 5.5cm, Condition is good, No flaws. Colissimo insured delivery from France, Tel: 0665241111