Hall of Famer Robert Parish is auctioning his third (and final) Celtics championship ring, with the piece of jewelry commemorating his role on the 1985-86 Celtics team that won the franchise's 16th championship up for bidding at Grey Flannel Auctions . The Hall of Famer previously auctioned his 1983-84 championship ring for $48,000  and sold his 1980-81 ring for over $45,000 .
Parish spent 21 years in the NBA, including 14 with the Celtics from 1980-81 through 1993-94. He averaged 14.5 points per game and 9.1 boards a game in his career.
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