What is the most expensive piece of art ever sold?

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Tags

1. #artwork
2. #vinci
3. #mundi
4. #expensive
5. #christie
6. #little
7. #auction
8. #saudi
9. #purchased
10. #november
11. #world
12. #confused
13. #prince
14. #salvator
15. #leonardo
16. #unknown
17. #whereabouts
18. #million