A forthcoming (23rd November 2013) auction at Heritage Auctions (www.ha.com – great domain name – somebody was forward thinking there) sees 3 works by Victor Vasarely for sale. 1 is an original signed painting and 2 are prints. If you are interested in owning some work by the father of Op Art then I would strongly suggest you have a look.
The original work is:
CHEYT-N, 1981
Acrylic on canvas
28 x 28 inches (71.1 x 71.1 cm)
Signed bottom right; additionally titled, signed, and dated
Estimate: $20,000 – $30,000.
http://fineart.ha.com/c/item.zx?saleNo=5167&lotNo=65104
The 2 prints are:
Untitled
Lithograph in colors
27-1/4 x 26-1/2 inches (69.2 x 67.3 cm)
Ed. 145/250
Signed and numbered in pencil
Estimate: $1,000 – $1,500.
http://fineart.ha.com/c/item.zx?saleNo=5167&lotNo=65102
and:
Untitled
Silkscreen in color
26 x 26 inches (66.0 x 66.0 cm)
Ed. 88/250
Signed and numbered in pencil
Estimate: $1,000 – $1,500.
http://fineart.ha.com/c/item.zx?saleNo=5167&lotNo=65103