Can I paint over a varnished oil painting?

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Tags

1. #their
2. #finish
3. #varnishes
4. #varnish
5. #doesn
6. #necessary
7. #aesthetic
8. #however
9. #paint
10. #surface
11. #properties
12. #change
13. #protective
14. #matte
15. #gloss
16. #stable
17. #painting
18. #durable