A Ziegler Carpet is a Persian carpet woven under the direction of the Swiss-based Ziegler & Co. in the late 19th century, using traditional techniques but with colours and designs adapted for the European market, now highly collectable.
Zinc is a bluish-white metal used from the 19th century for garden statuary, architectural ornament and spelter figures, valued as a lighter, cheaper alternative to bronze though softer and more prone to damage.
Zoomorphic Design incorporates animal forms into decorative objects and furniture, such as lion-paw feet, griffin mounts or serpent handles, a recurring motif across many antique styles from classical to Victorian.
Zsolnay Pottery is Hungarian ceramic ware made by the Zsolnay factory since 1853, celebrated for its iridescent eosin glaze and elaborate Art Nouveau forms, making it highly sought after among European ceramics collectors.
Zwischengoldglas, or gold sandwich glass, is a technique in which a design in gold or silver leaf is engraved and sealed between two layers of glass, developed in 18th-century Bohemia for beakers and decorative vessels.