Many of those used have original frames, although they have updated engines.
Last summer, she sold off his original frames at a rural auctioneers in Towcester, Northamptonshire, but Ray-Ban makes a rather similar model.
Police officers carried out the original frames left behind by the burglar to search for fingerprints, passing them through the broken shards of a museum window.
The Saracen's head crest of the Walpole family, carved into their original frames, rhymes with the same crest on a marble-topped table.
Wellington sent the trunk back to London, but it was only as his brother unpacked the canvases, cut from their original frames and stretchers, that their astonishing quality was realised.
He has been trying to piece together their history: they were moved several times at Hampton Court, with inevitable damage, so some are 16th-century roundels in 19th-century frames, others 19th-century roundels in original frames.
More recently, when she learned that four of the original frames had been repaired and were hung back on the walls, empty, she made another visit to Boston, where she created the second series, "What Do You See?," in which she once again interviewed museum employees as well as visitors.
Two successive original frames without any processing.
Refurbishments or decades of neglect can obscure the original frames.
The first row of each sub-figure: to original frames.
