Marlborough Antiques & Interiors has dated this piece to the 19th Century.
Unsigned.

Cordial glasses are small, stemmed glasses generally used to serve after-dinner liqueurs. Alternatively, they may be used to serve drinks at a party, reception or other gathering. The use of fine cordial glasses lends a touch of elegance to any gathering. Cordial glasses are smaller than a typical wine glass, holding approximately one and a half ounces (± 45 ml) and are often (though certainly not always) made with thinner, more delicate glass.
Marlborough Antiques & Interiors has dated this piece to the 19th Century.
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