A mix of guitars, awards and clothing from the late Mr Rafferty's estate was auctioned at Bonham's in London.
The star lot was a Marten D45 acoustic guitar that sold for £4125.
The Paisley born singer's City to City album produced some of his best known work including Baker Street.
A British sales award for the album sold for £1600 and the American edition went for £1625.
Fans had urged Gerry's daughter Martha to donate the items to a museum but she chose to go ahead with the sale "to clear space".