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The extinct avian was the subject of the Persian-style lustre tile, left, measuring 6in (15cm) square, one of seven identically proportioned tiles decorated with birds in this sale, and all impressed with the letters DIP for the designers William de Morgan, Frank Iles and the brothers Charles and Frederick Passenger.

Produced sometime between 1898 and 1907, the tile attracted international trade interest above expectations of £600-800 and sold to a specialist London dealer at £1700.