Although this medal bears the date 1745, it was commissioned in 1748 by Prince Charles as a gesture of defiant protest against the peace negotiations taking place between France and Britain, which resulted in the Treaty of Aix-la-Chapelle.  The date ‘1745’ may be intended to remind Jacobites of Charles’s heroic exploits during the Rising, whilst the figure of Britannia standing before a great fleet at sea suggests Britain’s naval superiority (and thus insults the French, who Charles now regarded as having failed him).  The Latin words ‘AMOR ET SPES’ translate as ‘love and hope’. The portrait of Charles is based on Lemoyne’s bust of 1747. The profile by Roettier was, in turn, copied for tiny portraits mounted as rings or within watchcases.