What is loetz iridescent glass?

Loetz iridescent glass is art glass produced in Bohemia during the late nineteenth and early twentieth centuries, known for its metallic sheen. Maker workshops utilised chemical vapour treatments on hot blown glass to create shimmering surfaces that mimic butterfly wings or oil slicks.

Were these pieces mounted in silver?

Many glass bodies were fitted with sterling silver overlays, collars, or hinged lids for inkwells and vanity jars by various metalwork firms. These mounts were applied after the glass was blown and cooled, sometimes carrying hallmarks from silversmiths.

What styles are common?

The dominant styles associated with these glass objects are Art Nouveau and Vienna Secessionist, reflecting organic and geometric design trends. Vessels range from naturalistic snake forms and jack in the pulpit shapes to structured bowls on ball feet.