Exhibit Antiques has dated this piece to the Before 1700 period.
A rare form of Roman glass unguentarium perfume bottle dating from the 1st to 3rd century AD. Made from translucent pale blue glass, it has developed a stunning layer of internal iridescence.
- This form is more often found to have a heavily tooled body as shown in the reference below, this example is very subtle.

Date & Origin
Roman, Early to Mid Imperial Empire, 1st to 3rd century CE.
Condition
Intact. The entire vessel is well-preserved with some residue encrustation to the exterior and minimal pitting. The interior exhibits a stunning layer of iridescence due to the encrustation throughout.

Dimensions
Height: 14 cm
Diameter: 3 cm
Provenance
Bonhams, London - December 1999.
References
MET museum: https://www.metmuseum.org/art/collection/search/460817
MET museum (showing internal iridescence): https://www.metmuseum.org/art/collection/search/245442
Exhibit Antiques has dated this piece to the Before 1700 period.
Specialists in 18th & 19th century antique glass
You can view the stock and full dealer information on the Exhibit Antiques Profile Page