Hi Gary,

Thank you for contacting Mearto with your appraisal inquiry.

Several hockey jerseys signed by Mario Lemieux have come up for auction in recent years, achieving prices ranging from about $250 to $5,200 for game-worn jerseys.
Unless you can prove this was worn in a game, this has a current fair market value of $250-450.
Based on the photos and information provided, and subject to examination, this is:

A Mario Lemieux autographed Pittsburgh Penguins #66 hockey jersey
undated
signed on the second "6"
unknown size
CONDITION: unknown
PROVENANCE: unknown
$250-450*
*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, or questions/concerns, and thank you again for using Mearto.
~ Delia