Wienecke-penningen - 1927 - 'Beloningspenning van de Nederlandsche Vereeniging van Meelfabrikanten' by J.C. Wienecke / 's Rijks Munt (JCW.252) - Obv. Sheaf of corn in the field above two flour rollers / Rev. Interior of flour factory with sheat for engravings - yellow bronze 60 mm - XF - scarce