The Bicentennials Tapestries: 'La Tache Bleue'/ The Blue Stain (1975) signed in ballpoint with the artist's monogram on Pinton tapestry label on the reverse, dated and titled, with woven signature, editon number and Pinton tapestry mark hand woven wool tapestry, number 6 from a planned edition of 200, 103x150 cm Manufactured by Atelier Pinton Freres, Aubusson, France. Literature: - Pinton Freres/Jeffrey Metzner, 'The Bicentennial Tapestries. Alexander Calder', sales catalogue 1975, illus. in colour. - 'Calder’s Universe', Jean Lipman, Ruth Wolfe (ed.), Philadelphia 1989, p. 157.