Head of a young woman looking to the right (recto); Head of a bearded man in profile (verso)

Parmigianino

 Head of a young woman looking to the right (recto); Head of a bearded man in profile (verso) 1521 - 1524
Draped female, resting (recto)
Formerly attributed to

Isaac Oliver I

 Draped female, resting (recto) (circa) 1610
Female figure playing the lute
Formerly attributed to

Isaac Oliver I

 Female figure playing the lute (circa) 1610
Twelve small heads and a female figure

Peter Oliver

 Twelve small heads and a female figure (circa) 1610
Decorative frieze with tritons and dolphins

Stefano della Bella

 Decorative frieze with tritons and dolphins
Magdalen washing the feet of Christ in the House of Simon

Maerten van Heemskerck

 Magdalen washing the feet of Christ in the House of Simon 1566
Female figure, reclining
Formerly attributed to

Isaac Oliver I

 Female figure, reclining (circa) 1610
Standing youth and head of a man

Peter Oliver

 Standing youth and head of a man (circa) 1610
Landscape with lions and men with a ladder

Giovanni Domenico Tiepolo

 Landscape with lions and men with a ladder c. 1790-1795
Wood landscape

Gillis van Coninxloo, III

 Wood landscape (circa) 1598 - 1600
The sermon of Saint Ferréol and Saint Ferjeux for the Basilica at Besançon

Charles-Joseph Natoire

 The sermon of Saint Ferréol and Saint Ferjeux for the Basilica at Besançon 1754
Circus of Maxentius at sunset

Richard Wilson

 Circus of Maxentius at sunset
Design for the ceiling of the Painted Hall, Greenwich Hospital (recto)

James Thornhill

 Design for the ceiling of the Painted Hall, Greenwich Hospital (recto) (circa) 1707
Seascape

John Constable

 Seascape 1796 - 1837
In the Temple of Tanfan - the priest Libys pointing to statue of Drusus

Johann Jakob von Sandrart

 In the Temple of Tanfan - the priest Libys pointing to statue of Drusus (circa) 1689 - 1690
Studies for a Venus and cupids (?) (recto)
Attributed to

Vicente Salvador Gómez

 Studies for a Venus and cupids (?) (recto) 1670-1679
Figure bending over seen from the rear - study for the Doctor in 'The Circumcision' (1590, Louvre) (recto)

Federico Barocci

 Figure bending over seen from the rear - study for the Doctor in 'The Circumcision' (1590, Louvre) (recto) 1580s
Women on a Beach, Trouville (recto)

Eugène Louis Boudin

 Women on a Beach, Trouville (recto) 1866
Death and the Lovers - Allegory of 'Vanitas'

Abraham Bloemaert

 Death and the Lovers - Allegory of 'Vanitas' (circa) 1620 - 1630
Titania's dream

Johann Heinrich Fuseli

 Titania's dream (?) 1822
Street with the Mausoleum and Mosque of the Sultan al-Ghuri, Cairo

John Frederick Lewis

 Street with the Mausoleum and Mosque of the Sultan al-Ghuri, Cairo 1841 - 1851
European white stork

Vincenzo Leonardi

 European white stork (circa) 1620 - 1630
Entrance to Zwinger Palace, Dresden, with staircase

Samuel Prout

 Entrance to Zwinger Palace, Dresden, with staircase 1829
Man smiling, seated before a painting on an easel depicting a man kneeling before a robed ass

Pier Leone Ghezzi

 Man smiling, seated before a painting on an easel depicting a man kneeling before a robed ass
Study for the group portrait of the Beaumont family (recto)

George Romney

 Study for the group portrait of the Beaumont family (recto) (circa) 1777 - 1779
Italian landscape with river, bridge and tower

Nicolaes Pietersz. Berchem

 Italian landscape with river, bridge and tower (circa) 1655 - 1663
Tethered horse, and man standing by with arms folded (recto)

Jacques Callot

 Tethered horse, and man standing by with arms folded (recto) 1617 - 1619
Classical landscape

Thomas de Thomon

 Classical landscape 1700 - 1799
View of Appledore, North Devon, from Instow Sands (formerly 'Exmouth')

Thomas Girtin

 View of Appledore, North Devon, from Instow Sands (formerly 'Exmouth') c. 1798
Seated female nude, in drapery

Govaert Flinck

 Seated female nude, in drapery (?) 1630 - 1639 or 1648
Landscape with a milkmaid and goats

Willem Pietersz. Buytewech

 Landscape with a milkmaid and goats 1617
View of the coast at Mentone

Edward Lear

 View of the coast at Mentone 7 December 1864
Wooded landscape with herdsman driving cattle over a bridge, and a ruined castle

Thomas Gainsborough

 Wooded landscape with herdsman driving cattle over a bridge, and a ruined castle (circa) 1781
Landscape idyll - sunset with a shepherd and flock

John Varley

 Landscape idyll - sunset with a shepherd and flock 1840 - 1842
Estuary scene: three galliots, a barge and a frigate firing a salute

Willem van de Velde II

 Estuary scene: three galliots, a barge and a frigate firing a salute (circa) 1675
Study of two heralds in ceremonial dress of the Order of the Garter

Peter Lely

 Study of two heralds in ceremonial dress of the Order of the Garter mid-1660s
Prophet Malachi

Nicolas de Hoey

 Prophet Malachi 1590
Two seated women drying their hair in front of a fire

(Giovanni Francesco Barbieri) Il Guercino

 Two seated women drying their hair in front of a fire (circa) 1635
Head of a boy and of an old man

Giovanni Battista Piazzetta

 Head of a boy and of an old man (circa) 1739 - 1740
Preaching of Saint John the Baptist

Giovanni Benedetto Castiglione

 Preaching of Saint John the Baptist 1655
Fishing with dipnets in the river Arno, Florence

Stradanus

 Fishing with dipnets in the river Arno, Florence (circa) 1578
Nude figure (recto)

Jacopo Tintoretto

 Nude figure (recto) (?) 1570 - 1579
Mountain landscape

Alexander Cozens

 Mountain landscape 1775 - 1780
Martyrdom of Saint Lawrence

Luca Cambiaso

 Martyrdom of Saint Lawrence
Standing man, viewed from the front (recto)
Attributed to

Bernardo Bellotto

 Standing man, viewed from the front (recto) (circa) 1743
South ambulatory of Sint Bavokerk, Haarlem

Pieter Jansz. Saenredam

 South ambulatory of Sint Bavokerk, Haarlem 1634
Sir Robert Witt in his Library at 32 Portman Square

Thomas Cantrell Dugdale

 Sir Robert Witt in his Library at 32 Portman Square 1931
Young boy writing at a table

John Constable

 Young boy writing at a table 1800 - 1899
Group of figures caught in a storm, seen from behind

Thomas Rowlandson

 Group of figures caught in a storm, seen from behind 1757 - 1827
Kneeling female figure - studies for 'The Judgment of Solomon' tapestry (now lost)

Simon Vouet

 Kneeling female figure - studies for 'The Judgment of Solomon' tapestry (now lost) (circa) 1627
Two street traders, one with a basket and the other standing by a carcass

Jacques Callot

 Two street traders, one with a basket and the other standing by a carcass 1617 - 1619