Catalog/Peter Halley/Differential PhaseDifferential PhaseArtistPeter Halley$500 Buy Peter Halley (b. 1953) Differential Phase signed twice and dated 'Peter Halley 2000' (on the reverse) acrylic Day-Glo and metallic acrylic Roll-a-Tex on canvas 78 x 64½ in. (198.1 x 163.8 cm.) Painted in 2000.Sizes and ProportionsExecution Options (Materials and Printing)Additional Finishing