[Ephemera] Frank Stella, Castelli exhibition poster 1969 Full colour offset litho, 29 x 58 cm, folded twice for mailing as issued. Announcement for Stella's show at Leo Castelli New York, opening November 18 1969. Features full page reproduction of work on recto, with gallery information on verso. Small tear (1 cm) in bottom edge (hard to see), minor creasing along end of folds, else a bright copy.

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