Engraving 'Figur undstand des Cometen' Included with letter from Dr Eric Mauritius to Henry Oldenburg expressing his respect to the Royal Society and Communicating some observations made i Germany of the late comet. Engraving headed 'Figur undstand desz Cometen Wie solcher den 12.22 und 13,23 Martii Anno 1672 nad der Connen Niedergangzu Straszburg observirt worden' Being a map of the heavens showing the Perseus, Taurus, Bespa, Aries constellations. Size 150 mm high x 155 mm wide March 1672