Kingsdown Antiques has dated this piece to the 1850s.
Hallmarked for London, 1855.

Measurements:
Height: 1 7/8" (approx. 5cm)
Diameter: 4 1/2" (approx. 11.5cm)
Silver weight: 89g
Total weight: 398g
In good condition – The sterling silver lid retains crisp, intricate detailing with only light age-related surface wear. Glass body does show some scuff marks to the cut glass edges, as you would expect of an antique of this age (example shown in final photo).
Kingsdown Antiques has dated this piece to the 1850s.
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