| Obverse description | Bust left |
| Obverse lettering | IAC. COOK OCEANI INVESTIGATOR
ACERRIMVS
REG . SOC . LOND . SOCIO . SVO. (Translation: The most intrepid investigator of the seas) |
| Obverse script | Latin |
| Reverse description | Fortune leaning against a naval column with the British shield at its foot, placing a rudder on a globe |
| Reverse lettering | NIL INTENTATVM NOSTRI LIQUERE
AUSPICIIS GEORGII III (Translation: Our men have left nothing unattempted) |
| Reverse script | Latin |
| Engraver | Royal Mint (Tower of London), United Kingdom (1279-1810) |
| Mintage | 1784 - - 500 |
| Catalog ID | 7595227990 |
| Comments |