SCHELER (Lucien). Edges of becoming. Engraving by Ubac and suite. Paris, Jean Hugues, 1963. In-4, leaves, untrimmed, publisher's folder and slipcase. Original edition with 6 original etchings by Raoul Ubac. Edition of 90 copies on Auvergne paper from Moulin Richard de Bas, signed by the author and the artist, this one unnumbered. Copy by Louis Barnier, enriched with a double autograph signed by the author and the artist and a suite of 6 signed engravings on japon impérial. Slight brown spots on the cover.