Hi Pierre, Thank you for contacting Mearto with your appraisal inquiry. This was made by the International Silver Company as part of their holloware line, between 1938-1976; the 800 is a pattern number. It is also silverplated, not sterling Based on the photos and information provided, and subject to examination, this is: A vintage International Silver Company silverplated coffee pot mid 20th Century With peaked hinged cover, cast molded serpentine spout and handle, bulbous body on three short feet. (DIMENSIONS) CONDITION: appears to be in good condition with expectant use wear PROVENANCE: acquired at auction $75-125* *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.