Geometric 'Blue Print' in vibrant and saturated turquoise. signed (illegible first name) E. Buettner. Epreuve d'Artiste (artist's proof). Original stamps on the back from Hefner's Art Galeries, 1440 Wealthy SE Grand Rapids MI 49506. Purchased from this gallery owner's estate. CONDITION NOTES: Unframed; the board surrounding the mounted paper and print has general marks, spots, and wear. DIMENSIONS: Board, 17.75" W x 23" H; turquoise print area (not including signature) is 5.75" x 7.75"