Sotheby's finds hidden signature on Basquiat work - The San Diego Union-Tribune

Thirty years ago, artist Jean-Michel Basquiat secretly signed one of his paintings in invisible ink, says Sotheby's auction house, which discovered the hidden autograph as it was preparing the painting for sale.
Sotheby's says it has discovered that grafitti artist Jean-Michel Basquiat secretly signed one of his paintings in invisible ink.

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Sotheby's finds hidden signature on Jean-Michel Basquiat painting

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