Two casts, obverse and reverse, of a commemorative medal. Obverse: Busts of King Charles II, in a long wig and mantle, and Queen Catharine conjoined (right). Legend: 'CAROLVS . ET . CATHARINA . REX . ET . REGINA.' Obverse: Britannia with a spear in her right hand and her left resting on her shield seated at the foot of a rock; a three-masted ship in foreground, others in distance, the sun shining above. Legend: 'FAVENTE DEO.' (God being propitious). Exergue: 'BRITANNIA.'