A Western Sioux blanket strip. Plains. buckskin and coloured glass beads, with lazy stitch geometric decoration, the four roundels with a bead and bell, two with ribbon cloth, circa 1900,. 148cm long, . stitched to a later blue trade blanket, 164cm x 93cm.. . Provenance. Valerie and John Arieta, London.. Michael G. Johnson Collection, from the above Sept 1998.