Beaker made of transparent, olive-green glass, mold-blown and free-formed, iridescent under steam. Optically ribbed and twisted body with a flared round base and sweeping mouth rim. Applied and notched glass thread from the lower end, fused lip rim, base with a partially polished, chipped tear. Beaker is in undamaged condition. This type of glass was manufactured by the Josephinenhütte based on designs from drawings of Roman, Franconian, and medieval glass in the Mainz Museum for the Ludwig Fellmer company in Mainz. Josephinenhütte, Schreiberhau, Opal Cyprus Glass series, circa 1881-1900. Total collection: 236 pieces. Height: approx. 13.7 cm, diameter: approx. 8.8 cm. Lit.: Stefania Zelasko, Josephinenhütte 1900-50, pages 60-61.