The Rago Arts and Auction Center holds its spring sale of Post-War and Contemporary Art. Session One (Saturday, May 19th at 3 PM) features a significant selection of work from prominent artists of the latter-half of the twentieth century. Part of the auction is a rare triple Andy Warhol Elvis 1964 (1968). Catalogues are available in print and online in early May and can be ordered at ragoarts.com.