2 portraits , three by reynolds , the other by gainsborough , since 1990 among the most looked - after works in the arts loss registered catalogue , were recovered this month because they were sent into sotheby ' s for evaluation . both a self-portrait by norwegian artist sibelius munch , theft from an oslo city gallery in april , has been recovered , news reporting said today .
These two portraits and a lithography by Edvard Munch were recovered using the Art Loss Register database.