Hi Jonathan, Thank you for contacting Mearto with your appraisal inquiry. Based on the photos and information provided, and subject to examination, this is: Scrimshaw mammoth ivory tusk by George Vukson, carved in the late 20th Century; date of mammoth tusk indeterminate Depicting mammoth hunters, signed VUKSON at one end, mounted on a bone stand 25 inches long CONDITION: mammoth tusk with inherent age; carving appears to be in good condition PROVENANCE: inherited $3,000-5,000* *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.