How do I identify a 1920s French glass vase?

Look for signature stampings or engraved signatures near the base, alongside distinct manufacturing traits such as acid-etched cameo layers or opalescent moulding. The presence of characteristic Art Deco geometric lines or Art Nouveau floral subjects helps confirm the period of origin.

Cameo glass is formed by fusing two or more distinct layers of coloured glass together before carving away the exterior layer. This painstaking subtraction reveals the contrasting design in relief against the background colour.

Where should I display these vases?

Place them in areas with direct natural light to activate the opalescent glow and highlight the layered cameo colours. Ensure they sit on stable, level surfaces away from heavy traffic due to the substantial weight of the crystal bodies.

How do I clean opalescent glass?

Dust gently with a soft, dry microfibre cloth to prevent accumulation in the moulded crevices of the design. Avoid harsh chemical cleaners or submersion in hot water, which can damage delicate surface patinas or stained details.