Based in New York and London, Beaumont Nathan are world leaders in art advisory. We advise collectors at the top end of the market – from Old Masters to Contemporary – and pride ourselves on taste, connoisseurship and transparency.

Franz Kline - Untitled.

Franz Kline - Untitled.

Franz Kline 1910 - 1962. Untitled, 1955. Acquired on behalf of a private collector in 2019.

Pablo Picasso - Femme au Chapeau Mauve.

Pablo Picasso - Femme au Chapeau Mauve.

Pablo Picasso 1881 - 1973. Femme Au Chapeau Mauve, 1939. Sale negotiated on behalf of a private collector.

Marlene Dumas - Die Baba (2).

Marlene Dumas - Die Baba (2).

Marlene Dumas B. 1953. Die Baba (2), 2005. Acquired on behalf of a private collector in 2020.

Pierre Soulages - Peinture.

Pierre Soulages - Peinture .

Pierre Soulages B. 1919. Peinture 46 x 36 cm , 14 Mai 1961, 1961. Acquired on behalf of a private collector.

Wassily Kandinksy - Bild mit weissen linien.

Wassily Kandinksy - Bild mit weissen linien.

Wassily Kandinksy 1866 - 1944. Bild mit weissen linien (Painting with white lines), 1913. Acquired on behalf of a private collector.

Andy Warhol - Nine Marilyns.

Andy Warhol - Nine Marilyns.

Andy Warhol 1928 - 1987. Nine Marilyns Reversal Series, circa 1979-86. Sold on behalf of a private collector in 2021.

Wassily Kandinsky - Vertiefte Regung (Deepened Impulse).

Wassily Kandinsky - Vertiefte Regung (Deepened Impulse) .

Wassily Kandinsky 1866-1944. Vertiefte Regung (Deepened Impulse) , 1928. Acquired on behalf of a private collector in 2018.

Georges Seurat - Femmes au bord de l'eau.

Georges Seurat - Femmes au bord de l'eau.

Georges Seurat 1859 - 1891. Femmes au bord de l'eau. Acquired on behalf of a private collector in 2021.

Willem de Kooning - Red Torso.

Willem de Kooning - Red Torso.

Willem de Kooning 1904 - 1997. Red Torso, 1948–49. Acquired on behalf of a private collector in 2017.

Alberto Giacometti - Buste d’homme.

Alberto Giacometti - Buste d’homme.

Alberto Giacometti 1901 – 1966 Buste d’homme, 1961 Acquired on behalf of a private collector in 2021.

James Rosenquist - Spaghetti.

James Rosenquist - Spaghetti.

James Rosenquist 1933 - 2017. Spaghetti, 1965. Acquired on behalf of a private collector in 2014.

Auguste Rodin – Le penseur.

Auguste Rodin – Le penseur.

Auguste Rodin 1840 - 1917. Le penseur, Le Penseur, taille de la porte dit moyen modèle. Acquired on behalf of a private collector in 2015.

Franz Kline - Untitled.

Franz Kline - Untitled.

Franz Kline 1910 - 1962. Untitled, 1955. Acquired on behalf of a private collector in 2019.

Pablo Picasso - Femme au Chapeau Mauve.

Pablo Picasso - Femme au Chapeau Mauve.

Pablo Picasso 1881 - 1973. Femme Au Chapeau Mauve, 1939. Sale negotiated on behalf of a private collector.

Marlene Dumas - Die Baba (2).

Marlene Dumas - Die Baba (2).

Marlene Dumas B. 1953. Die Baba (2), 2005. Acquired on behalf of a private collector in 2020.

Pierre Soulages - Peinture.

Pierre Soulages - Peinture .

Pierre Soulages B. 1919. Peinture 46 x 36 cm , 14 Mai 1961, 1961. Acquired on behalf of a private collector.

Wassily Kandinksy - Bild mit weissen linien.

Wassily Kandinksy - Bild mit weissen linien.

Wassily Kandinksy 1866 - 1944. Bild mit weissen linien (Painting with white lines), 1913. Acquired on behalf of a private collector.

Andy Warhol - Nine Marilyns.

Andy Warhol - Nine Marilyns.

Andy Warhol 1928 - 1987. Nine Marilyns Reversal Series, circa 1979-86. Sold on behalf of a private collector in 2021.

Wassily Kandinsky - Vertiefte Regung (Deepened Impulse).

Wassily Kandinsky - Vertiefte Regung (Deepened Impulse) .

Wassily Kandinsky 1866-1944. Vertiefte Regung (Deepened Impulse) , 1928. Acquired on behalf of a private collector in 2018.

Georges Seurat - Femmes au bord de l'eau.

Georges Seurat - Femmes au bord de l'eau.

Georges Seurat 1859 - 1891. Femmes au bord de l'eau. Acquired on behalf of a private collector in 2021.

Willem de Kooning - Red Torso.

Willem de Kooning - Red Torso.

Willem de Kooning 1904 - 1997. Red Torso, 1948–49. Acquired on behalf of a private collector in 2017.

Alberto Giacometti - Buste d’homme.

Alberto Giacometti - Buste d’homme.

Alberto Giacometti 1901 – 1966 Buste d’homme, 1961 Acquired on behalf of a private collector in 2021.

James Rosenquist - Spaghetti.

James Rosenquist - Spaghetti.

James Rosenquist 1933 - 2017. Spaghetti, 1965. Acquired on behalf of a private collector in 2014.

Auguste Rodin – Le penseur.

Auguste Rodin – Le penseur.

Auguste Rodin 1840 - 1917. Le penseur, Le Penseur, taille de la porte dit moyen modèle. Acquired on behalf of a private collector in 2015.

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Core Values
Frans Hals - Portrait of a Lady.
Information
Frans Hals 1582-1666. Portrait of a Lady three-quarter length. Acquired on behalf of a private collector in 2019.