Andy Warhol (1928-1987)Happy Butterfly Days, c.1955-1956Offset lithograph in colors on a manila folder, signed and titled in the plate, from an unknown edition size, published by Vanity Fair, New York, with scored center fold and text panel on verso, as issued, the full sheet.overall 12 5/8 x 19 1/8in (32 x 48.5cm)Footnotes:Warhol started his career as a commercial designer. In the mid 1950's the young artist designed a series of limited run manila folders as promotional gifts for his patron, Vanity Fair magazine.