Taylor gave the ring to Lawrence Jr. who elected to sell it, SCP said.
Taylor, 53, was selected to 10 Pro Bowls in a 13-year career spent entirely in New York. He was the NFL's Most Valuable Player in 1986, a three-time defensive player of the year and was inducted into the Pro Football Hall of Fame in 1999.
The Giants beat the Buffalo Bills 20-19 in the Super Bowl on Jan. 27, 1991, as Bills kicker Scott Norwood missed a field goal in the closing seconds.
The original rules of basketball, written by Naismith in 1891, were sold Dec. 10, 2010, at Sotheby's in New York.
The two-page typed document with Naismith's handwritten notes were purchased by David G. Booth, executive officer of Dimensional Fund Advisors.