Bernard Buffett Reproduced Color Lithograph
Mourlot 1967. 
From the Folio of Bernard Buffett Lithographs 1952-1966 

Original Stone Lithograph executed in November 1967 on the press of Fernand Mourlot, Paris, France. 
On heavy high quality Acropole vellum paper in color. The lithographs reproduced in the same number of colors as the original limited editions.  The description page with the name gives the size of the originals

Name: Green Butterfly

Condition: In excellent condition. 
Full size: 12.3" x 9.5" (31x24cm)
Print Area: 6-1/2" T x 9" W

Suitable for framing
Reverse side has minimal text. See photos for details. 
Happy to combine shipping