Henry Koehler (American, born 1927) lithographic print featuring a polo player mounting his pony, signed in pencil and inscribed artist's proof, in ad

Henry Koehler (American, born 1927) lithographic print featuring a polo player mounting his pony, signed in pencil and inscribed artist's proof, in advance of an edition of 300 published in 1976, the image 56.5 by 69cm, under glass in a painted wooden frame, overall 68 by 81cm., very good