Kingsdown Antiques has dated this piece to the 1920s.
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Measurements:

height: 2" (approx 5cm)
Diameter across top: 2 1/2" (approx 6.25cm)
Length (handle to handle): 3 1/2" (approx 8.75cm)
Spoon length: 2 1/2" (approx 6.25cm)
Weight: 212g (approx 6.8 troy ounces)
In good condition - any dark areas are shadows from the photography.
Kingsdown Antiques has dated this piece to the 1920s.
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