Auction information for the chosen item by Bridget Riley

Artist	Bridget Riley (1931 - 1984) England
Title	Untitled [fragment 1] (s. 5a)
Medium	Screenprint
Size (H x W x D)	25.7 x 32.1 in / 65.2 x 81.6 cm
Signed	Yes
Stamped	No
Inscribed	No
Dating	N/A
Lot number	446
Auction time	01 May 2008
Auction house	Sothebys – The United States: New York
Estimated price	10,000 - 15,000 USD
Auction result	18,750 USD ≈ 12,682 EUR \| 11,443 GBP
With premium	Yes
Edition	N/A
Foundry	N/A
Impression	N/A