More than 100 emerging and well-known artists have contributed valentines for an unusual exhibit at UC Davis. The UC Davis NELSON ARTfriends presents its fourth annual Artists' Valentines benefit exhibition through Feb. 8. The exhibit is being held in the Richard L. Nelson Gallery in the UC Davis art building and will be open for public viewing and silent auction Monday through Friday from noon to 5 p.m. and Sundays 2-5 p.m. A valentine's party and final bidding will be held from 6 p.m. to 9 p.m. Saturday, Feb. 8.