Description A seminal work of Op Art from Bridget Riley’s most sought-after period. This 1971 screenprint, Elongated Triangles 4, is a masterclass in optical tension and geometric precision. Part of a landmark series printed at the legendary Kelpra Studio, this work exemplifies Riley’s ability to create a sense of movement and “shimmer” through the meticulous repetition of form. Technical Craftsmanship Produced during the peak of the Op Art movement, this screenprint was executed on heavyweight wove paper. Unlike modern digital prints, this is a hand-pulled screenprint where each colour was applied through fine mesh, resulting in the flat, saturated, and “clinical” finish that defines Riley’s aesthetic. Artwork Specifications Artist: Bridget Riley (b. 1931) Title: Elongated Triangles 4 Year: 1971 Catalogue Raisonné: Schubert 11 (or Tommasini & Gubay 11) Medium: Screenprint in colours on wove paper Edition: Limited Edition of 75 Dimensions: Sheet 1030 x 420 mm (40 1/2 x 16 1/2 in) Atelier: Kelpra Studio, London (features their stamp verso) Condition & Authentication Signature: Hand-signed, titled, dated, and numbered in pencil by Bridget Riley. Condition: Excellent/Mint. Preserved with full margins and vibrant, lightfast pigments. Slight foxing mark lower middle outside image. Original Fraame included. Provenance: Fully authenticated; includes Gallery Certificate of Authenticity (COA). ‘Bridget Riley In Conversation’ HERE
