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ID #SA1237632
FOR SALE
£720
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Mezzotint Portrait of the Right Hon William Pitt (1759-1806) - By George Keating After Simon De Koster.
For sale by The Mezzotint Man
for sale €842     $914
£720
The Mezzotint Man

The Mezzotint Man

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Mezzotint Portrait of the Right Hon William Pitt (1759-1806) - By George Keating After Simon De Koster.

18th century
Description

Fine 18th century mezzotint ofWilliam Pitt the Younger (1759-1806), prime minister, engraved after a pastel portrait by Simon de Koster (1767-1831), a German-born portrait painter who moved to London in 1788. The sitter is depicted half-length, facing three-quarters to the left, wearing powdered hair tied behind, a lace frill neckerchief, and a plain open coat.

William Pitt the Younger] To the Right Hon.ble John Earl of Chatham, Knight of the most Noble Order of the Garter, First Lord of the Admiralty, &c. &c. &c. By Permission this Plate of The Right Hon.ble William Pitt, is humbly Dedicated by his Lordships most devoted serv.t John Brydon. From the Original Picture in the Possession of W.Bellingham Esq.r.

Painted in Crayons by S. De Koster. Engrav'd by G. Keating.

London Pub.d Jan.y 18 1794 by J. Brydon. Charing Cross.

Mezzotint, platemark 500 x 350mm (19¾ x 13¾"), with margins. Framed and glazed in a particularly fine anti ebonised frame with gilt corner spandrels.

Sheet: 36cm x 52cm

Framed: 59cm x 74cm

Price: £720 (to include complimentary UK mainland delivery)

Physical Dimensions
Height
74cm (29.13")
Width
59cm (23.23")
Depth
2cm (0.79")
Declaration

The Mezzotint Man has dated this Georgian Mezzotint Portrait Print to the 18th Century.

Reference Numbers
Sellingantiques Reference
SA1237632
Description
Fine 18th century mezzotint ofWilliam Pitt the Younger (1759-1806), prime minister, engraved after a pastel portrait by Simon de Koster (1767-1831), a German-born portrait painter who moved to London in 1788.
“
The sitter is depicted half-length, facing three-quarters to the left, wearing powdered hair tied behind, a lace frill neckerchief, and a plain open coat.
The Mezzotint Man
fig 1. A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail.
fig 1. Mezzotint Portrait of the Right Hon William Pitt (1759-1806) - By George Keating After Simon De Koster.

William Pitt the Younger] To the Right Hon.ble John Earl of Chatham, Knight of the most Noble Order of the Garter, First Lord of the Admiralty, &c. &c. &c. By Permission this Plate of The Right Hon.ble William Pitt, is humbly Dedicated by his Lordships most devoted serv.t John Brydon. From the Original Picture in the Possession of W.Bellingham Esq.r.

fig 2. A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail.
fig 2. Mezzotint Portrait of the Right Hon William Pitt (1759-1806) - By George Keating After Simon De Koster.

Painted in Crayons by S. De Koster. Engrav'd by G. Keating.

London Pub.d Jan.y 18 1794 by J. Brydon. Charing Cross.

Mezzotint, platemark 500 x 350mm (19¾ x 13¾"), with margins. Framed and glazed in a particularly fine anti ebonised frame with gilt corner spandrels.

fig 3. A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail.
fig 3. Mezzotint Portrait of the Right Hon William Pitt (1759-1806) - By George Keating After Simon De Koster.

Sheet: 36cm x 52cm

Framed: 59cm x 74cm

Price: £720 (to include complimentary UK mainland delivery)

Height
74cm (29.13")
Width
59cm (23.23")
Depth
2cm (0.79")
Date of Manufacture

The Mezzotint Man has dated this Georgian Mezzotint Portrait Print to the 18th Century.

Reference Numbers
Sellingantiques Ref
SA1237632
The Mezzotint Man
The Mezzotint Man
Sellingantiques verified Since Mar 2026

Dealers in fine antiquarian portrait prints

Dealer Profile

You can view the stock and full dealer information on the The Mezzotint Man Profile Page

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A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail.
1 / 4
Archive I A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail.

Mezzotint Portrait of the Right Hon William Pitt (1759-1806) - By George Keating After Simon De Koster.

Archive II A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail. View II
Archive III A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail. View III
Archive IV A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail. View IV
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The Mezzotint Man

The Mezzotint Man
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Verified Since Mar 2026
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The Mezzotint Man
The Mezzotint Man
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A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail.
MEZZOTINT PORTRAIT OF THE RIGHT HON WILLIAM PITT (1759-1806) - BY GEORGE KEATING AFTER SIMON DE KOSTER.
Ref: SA1237632
A framed Georgian mezzotint portrait print depicting William Pitt the Younger set within a cream mount and a black moulding with gilt corner detail.
Detail View 1
Detail View 2
Detail View 3
Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectWall Art
  • Period18th century
  • StyleGeorgian
  • MaterialPaper, Wood, Glass, Gold Leaf
  • ColourBlack and Cream
  • MotifsMezzotint tone, Cream mount, Moulded frame, Inscribed plate line
  • SizeH 74 cm (29 in) x W 59 cm (23 in) x D 2 cm (1 in)

This 18th century Georgian wall art piece is a mezzotint portrait of William Pitt the Younger, engraved by George Keating after Simon de Koster and published in London on January 18 1794. The black and cream work is set in a paper mount and glass glaze within an antique black-painted wooden moulding frame detailed with gold leaf corner spandrels and corner carvings, enclosing an inscribed plate line at the bottom. The framed piece measures 74 cm high, 59 cm wide, and 2 cm deep. Placed above a sideboard or within a gentleman's library, this traditional framed portrait brings period character to an interior wall. The sitter is depicted half-length in a plain open coat, lace frill neckerchief, and powdered hair tied behind, accompanied by dedicated text and a coat of arms engraved on the plate line below the portrait.

FAQs

A mezzotint is an intaglio printmaking process that produces soft, tonal gradations without hatch lines. The copper plate is roughened across the surface and smoothed back down to create light and dark areas, making it popular during the eighteenth century for reproducing portrait paintings.

Eighteenth-century mezzotints were printed using oil-based inks on handmade rag paper using a copper plate engraved with specialized rockers and scrapers.

Authentic Georgian mezzotints exhibit visible plate impressions around the image margin, fine tonal shading without halftone dots, laid paper textures, and period publication lines at the base of the print.

Antique portrait prints can be mounted on focal walls alongside contemporary artwork in a gallery wall layout, or positioned above a console table or mantelpiece in classic or transitional interiors.

To preserve historic paper prints, keep them out of direct sunlight, maintain stable humidity levels, and frame them behind UV-protective glass using acid-free mounting boards.
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