'Rhapsody in College: Mystery of Hunter's 1897 Steinway Grand Owned by George and Rose Gershwin Unraveled via New York Times

A Steinway grand, a Model A, 6 feet 2 inches long, which carries the serial number 87592, making it the 87,592nd piano since the company began--making pianos in the family kitchen. The item in question: an 1897 Steinway donated by Rose Gershwin.