Artworks by David Hockney, Jack Bush, Marc Chagall, Alex Katz, Pablo Picasso, Alexander Calder and Andy Warhol highlight this auction. Also featured is a strong selection of Walter Joseph Phillips’ woodcuts, etchings and a monotype by David Blackwood, as well as prints and multiples by William Kurelek, Roy Lichtenstein, Le Corbusier, Alfred Joseph Casson and Christopher Pratt.