Courreges long sleeved sweater

This beautiful blue and cream sweater with an inset design is circa 1970 by famed French designer Andre Courreges.   The fabric composition is rayon and cotton.  Size tag is missing but it would fit a 4-6 in a slouchy manner.  This is a piece of fashion history.

All measurements taken with garment laying flat 

Length 25". pit to pit 18" sleeve length 23" sleeve width 6"