Hi William, Thank you for contacting Mearto with your appraisal inquiry. That's actually the mark of J. Twentyman, who was working in Kolkata, India, between 1818-1829. Based on the photos and information provided, and subject to examination, this is: An antique Indian Colonial silver goblet mark of J. Twentyman, Kolkata, India, 1818-1829 florally chased body, swag chased upper rim, serpentine handle, domed foot. Marked underneath foot. 3 1/2 inches high, 2 1/2 inches diameter CONDITION: not examined in person but appears to be in good condition with wear commensurate to age and use. PROVENANCE: inherited $700-1,000* *represents a fair-market value for auction purposes; retail or asking price may vary. Please let us know if you have additional items to appraise, and thank you again for using Mearto.