Ancient, British and World Coins. Tokens, Tickets and Passes. Historical and Art Medals. British and World Paper Money.

British, British Horological Society, 1858, a bronze award medal by J.J. Hall, astrolabe, reverse legend in wreath, named on edge (Awarded to F.W. Britten for Drawing & Theory, 1889), 70mm (BHM 2639; E 1524); London Mathematical Society, de Morgan medal, 1871, in bronze, by J. Moore, bust of Augustus de Morgan left, reverse sylogic zodiac, named on edge (Sydney Chapman D.Sc. FRS 1944), 47mm (BHM 2919; E 1612) [2]. Extremely fine (£30-40)

Augustus de Morgan (1806-71), mathematician and advocate of decimal coinage