Medal commemorating Stephen Hoogendijk. Obverse: Full-length, draped female figure holding an anchor in her right hand and a staff in her left hand entwined with a ribbon inscribed,'RERVM MAGISTRA.' Legend: 'CERTOS FERET EXPERIENTIA FRUCTUS.' A pair of scales on a plinth with a coat of arms on the front (right), a tripod with smoking bowl with coat of arms (left). Reverse: A snake forming a circle round the inscription. Legend: 'IN MEMORIAM STEPHANI HOOGENDIJK FUNDATORIS. MDCCLXIX - MDCCCLXIX.' Inscription: 'SOCIETAS PHILOSOPHIAE EXPERIMENTALIS BATAVA ROTERODAMI CENTESIMUM NATALEM CELEBRANS.' Boxed.