Collegium Medicum in Amsterdam; access token for the hortus medicus for student G.J.B; Messing token. Obverse: crowned coat of arms between two filled horns of abundance above ointment spatula; why snake coils; lying on pedestal. Reverse: monogram G.J.B. below skull with bones above ornamental motif; Hortus Medicus; anonymous; Amsterdam; 1700 - 1800; brass (alloy); engraving; d 3.8 cm x w 24.38 gr