Sandra van Ginhoven is the head of the ©Getty Provenance Index at the Getty Research Institute.
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Explore some of our projects on International Day of Provenance Research
![Left: index card for Van Gogh's Iris [sic], $80,000, 4-30-47. Right: Irises](https://media.getty.edu/iiif/image/e4708028-5052-4cc7-946f-c1250b3e790b/full/1200,/0/default.jpg)