Hand of Glory has dated this piece to the 18th Century.

Jan Wandelaar (1690 - 1759) was a Dutch draughtsman and etcher, mainly active in Amsterdam.
Charles Grignion the Elder (1721–1810) was a British engraver and draughtsman.
Gérard Jean Baptiste Scotin II (1698 - 1755) was born into a family of French engravers. He began his career in Paris, and in 1733, together with his brother, Louis Gérard, he emigrated to London engraving plates for a number of artists including Hogarth's 'Marriage-à-la-Mode'.

These plates come from the 'Anatomical Tables of the Bones, Muscles, Blood Vessels, and Nerves of the Human Body', published by Knapton in 1749. The original work, with the Latin title 'Tabulae Sceleti et Musculorum Corporis Humani', was published in 1747, and represented the collaboration between anatomist, Bernhard Siegfried Albinus, and the painter, Jan Wandalear. The work comprised forty anatomical prints, and was completed over the course of eight years. Given its fastidious methodology, scientific accuracy, and fanciful employment of pose and background, Albinus' anatomical atlas is one of the most significant physiological works ever published. Owing to this, John and Paul Knapton commissioned a series of engravers to reproduce the original works, before publishing the folio in London in 1749.
Plate size: 41cm x 57cm, Sheet size: 52cm x 72cm
Currently in modern clip frames.
Hand of Glory has dated this piece to the 18th Century.
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