Possibly the most important catalogue from the fifties is this 1957 PHASES/ Phasen. Book design by Willem Sandberg. special Alechinsky page with a poem by Christian Dotremont. works by Corneille, Lucebert. Wifredo Lam, Soulages. Beautiful impressive design by Sandberg. Published with no. 172. Book measures 10.2 x 7.4 inches, contains 40 pages plus cover, text in dutch and french, nm condition.