For similar sets see; The Allen Hofrichter Collection of Chess Sets, Christie's, South Kensington, 20 September 2000, lot 123.
Bloomsbury Auctions, London, 25 October 2005, lot 230, in which the knights are also depicted wearing Revolutionary caps, with the fingers pointing downwards.
The battles between the French and their colonial possessions were among the popular themes used by the French Dieppe ivory carvers during the late 18th century and 19th century. The Chevalier de Boufflers, the Governor of Senegal from 1785 to 1788, is portrayed as the pawn. See Chess: East and West, Past and Present, The Metropolitan Museum of Art, New York, 1968, fig. 64.