When you explore oil on canvas art, you encounter centuries of painterly tradition from grand portraiture to intimate landscapes.
Several works share a glamorous past in the private collection of silver-screen icon Greta Garbo.
![17th Century Portrait Circle of Michael Dahl,of Sir William Cowper [1639-1706]](https://www.sellingantiques.co.uk/photosnew/dealer_countryhousefineart/dealer_countryhousefineart_full_1525617097668-7609063232.jpg)
