Puckerings has dated this piece to the 1890s.
The central light would have been filled with fuel and the wick lit.

The underside has a full mark with the makers initials TL over EM for the silversmith, Thomas Latham & Ernest Morton. Dating to the late Victorian, this unusual gem is in excellent condition. 7 1/4" x 5 1/4" deep inc. handle x 5 1/2" tall.
Item ID: 35601
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Puckerings has dated this piece to the 1890s.
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