SCP Auctions’ Spring Premier Auction is in progress and concludes on Saturday, May 17 at www.scpauctions.com. Top lots include Babe Ruth’s gold pocket watch from the 1948 celebration of the 25th anniversary of the opening of “The House That Ruth Built,” an extraordinarily personal letter from baseball great Lou Gehrig to Dr. Paul O’Leary of the Mayo Clinic, the Newport Sports Museum Collection, and The Delbert Mickel Estate Collection of important baseball jerseys.