■ Obverse : around edge : THE ROYAL NUMISMATIC SOCIETY OF NEW ZEALAND / ESTABLISHED 1931 … in centre : emblem of RNSNZ : map of New Zealand surrounded by 4 stars and below RNSNZ

■ Reverse : around edge : MANAWATU NUMISMATIC SOCIETY / MERGED WITH RNSNZ 2015 … in centre : coat of arms of Palmerston North with 1965 to L, 2015 to R and 50 YEARS above

■ Dimensions : 45.2 mm … ■ Weight : 38.1 g

■ Materials : bronze coloured brass … with blue enamel

■ Maker : ELM (on edge)