Theresienthal, four crystal 'Serenade' glasses, designed c. 1905, hand blown, with hand painted enamelled and frosted flower designs, together with one Art Nouveau opalescent stemmed goblet, decorated with red poppies and gilded leaves, each with green stems and gilt band to rim and base (5), height 23 cm, (tallest). Provenance: Gibson's Auctions, 2020 (goblet). Private Collection, Sydney