A Charles II silver badge from the Nautical School

A Charles II silver badge from the Nautical School, Christ's Hospital , 1673, by John Roettier, the circular badge made to be worn on the shoulder, depicting a pupil with the allegorical figures of Arithmetic, Astronomy and Geometry, 81 mm. Very fine. *References Medallic illustrations, 557/218; M. E. Grimshaw, Silver Medals, Badges and Trophies from Schools in the British Isles, pp5-6, fig. 1.