Collection of (2) letters signed by John L. Sullivan & James Corbett.  The first letter is a thank you signed by "a very ill" Jim Corbett on James J Corbett stationary and is noted on reverse as received 6/6/32.  It is in excellent condition.  The letter has been authenticated by PSA/DNA and comes with a Letter of Authenticity from them.  The second letter is dated April 29, 1910 on Central Station Hotel Glasgow stationary and is signed by John L. Sullivan.  It is in good condition with multiple splits along fold lines and general wear.  The letter has been authenticated by PSA/DNA and comes with a Letter of Authenticity from them.