Abstract painting with blue, green, and brown shapes on a yellow background
Abstract painting with large green, blue, and brown shapes on a yellow background.

Helen Frankenthaler
Low Tide
1963
Cleaning, Stain reduction, Aesthetic compensation

Portrait of an elderly woman wearing a white ruff collar and headscarf on a dark background.
Portrait of an older woman in traditional Dutch attire with a large ruffled collar and a dark dress, against a dark background.

Bartholomeus van der Helst
Portrait of a Woman
17th Century
Varnish removal, overpaint removal, filling, inpainting

A historical portrait depicting a man with a tall black hat, wearing a red robe, and gesturing with one hand while holding a book. The canvas shows signs of aging and damage.
Portrait of a man with a tall hat and beard holding a book, wearing a red robe, with text in the background.

Samuel King
Rabbi Raphael Hakim Isaac Karigal
1782
Varnish removal, overpaint removal, filling, inpainting

Abstract painting with a central red circle surrounded by green and pale blue rings.

Adolph Gottlieb
Red and Green
1961
Surface cleaning, drip removal

Abstract painting featuring a large red circle with a green halo at the top and a black chaotic shape with a blue brushstroke at the bottom.
Art Nouveau painting of a woman in a flowing dress holding a bulb
Art Nouveau painting of a woman in a pink dress holding a light bulb, with a leafy background and laboratory equipment.

Harry Siddons Mowbray
Allegorical Figure Representing Science
1892
Tear repair, lining, cleaning, filling, inpainting

Dark landscape painting with cows by a river, a church tower, moody clouds, and sunset.

Aert van der Neer
Moonlight Landscape
17th Century
Cleaning, filling, inpainting

A landscape painting depicting a river scene at dusk with a cloudy sky, silhouetted buildings including a church, and cows grazing near the water's edge.