Royal Astronomical Society, Gold Prize medal, 1869, by W. Wyon, Sir Isaac Newton left, rev. quicquid nitet notandum, telescope and frame, e. j. stone. 1869, in exergue, 48mm., 74.43g (BHM 1059; MI 472/89), scratching in fields with a test nick at 6 oclock, otherwise almost extremely fine, rare, and in fitted case