Narrow-necked jug made of transparent, olive-green, thick-walled glass, mold-blown and free-formed, iridescent under steam. Its spherical, optically ribbed body with a stepped round base, tubular neck with a trefoil-shaped, attached ribbon handle, and thick-walled glass thread applied to the mouth rim. The underside of the base has a dislocated tear.The jug is in perfect condition.This type of glass was manufactured by the Josephinenhütte based on designs based on drawings of Roman, Franconian, and medieval glassware 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.23.5 cm, diameter: approx. 15.5 cm.References: Stefania Zelasko, Josephinenhütte 1900-50, pages 60-61.