For more than 80 years, Grumbacher has been America's leading producer of artist's paints. Pre-Tested Oils is the flagship of the Grumbacher line, and the company's professional line of high-quality oil colors.
Grumbacher is a registered trademark of Chartpak.
Grumbacher Pre-Tested Artists' Oil Color Tutorial Sets
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Grumbacher Pre-Tested Artists' Oil Colors
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