Historiepenningen - ND (1st half 18th century) - Calendar medal 'De Altijt Duurende Almanack', unsigned: an engraved silver plate with axle, around which a brass and a copper plate with engravings and recesses can rotate - Obv. Title, table with the days of the week and astrological symbols / Rev. View through the recesses on 'Het teken der son', 'De maende des jaer', 'nagt lang', 'dag lang', 'son op' and 'en onder.' - brass, silver and copper 46 mm 22.97 grams - very rare