Hi Robert,

Thank you for contacting Mearto with your appraisal inquiry.
Based on the photos and information provided, and subject to examination, this is:

A fossilized megalodon shark tooth
prehistoric
with a black fossilized patina overall
6 1/4 inches long, 4 1/2 inches wide
CONDITION: appears to be fossilized
PROVENANCE: acquired at auction
$100-150*
*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.