Medals Related to the Olympic Games, Netherlands, Olympic Games, Amsterdam, 1928, an unsual small pin-back badge, olympic games 1928 around, SC monogram in centre, cross above, channel below; name of maker alexander clarke, fenchurch street, London, ec 3 on reversec. 25 x 25mm, with scalloped edge. Extremely fine (£40-50)

The purpose of this badge is unclear.