Detail 306 came from The Mocking of Christ, part of Fra Angelico's fresco- work (1438-52) in the cloister, chapter-house and 41 cells of the Priory of San Marco, Florence. This one can be found in cell seven.
The first three correct entries pulled out of the hat were from: IC Scott of Caith- ness; Olivia Gooden of Bath; and Sue Martin of Cambridge.
Each of the above will receive a bottle of champagne, as will the winners of this week's competition. Answers should be sent on a postcard (to arrive no later than Wed 16 Oct) to: DETAILS 308, Arts Desk, Independent on Sunday, 1 Canada Square, Canary Wharf, London E14 5DL.