Christ's Hospital School, , Sheffield plate badge, circa 1673, by J. Roettier, a Bluecoat boy encouraged by Arithmetic holding a tablet of figures, Astronomy wearing the petasus of Mercury and holding a sphere and Mathematics, a triangle and compasses; on the ground a mariner's compass and the lead. Above, two cherubs with caduceus and trumpet and two zephyrs propelling favourably the ships of England, AUSPICIO CAROL SECUNDI REGIS 1673 (UNDER THE AUSPICE OF CHARLES II KING), rev. an incuse version of the obverse, 81 mm, (MI 557/218), pierced for suspension. An eighteenth century example, rubbed on the high points, otherwise good very fine. £325.00