Case closed
Somebody closed The Empty Frame. Your turn.
They found the contradiction without being told where it was. Open the same case and see whether your first three questions get you there.
Classic Whodunit · 1955, Wren & Sons auction house, St James's, London
The Empty Frame
London, 1955. On the eve of the auction of the century, Sir Julius Wren lies dead in his own vault — beside a rediscovered Vermeer that five people would kill to sell, to keep, or to burn.
5 suspects · hard · 60–90 min · free
Nothing on this page gives anything away — it knows whether the case was closed and nothing about how.