Obverse
HM Elizabeth II facing right, denomination, country name, date, designer's initials, all in circle left. At right, weight and gold purity in three lines
Lettering: IRB ELIZABETH II NIUE 5 DOLLARS 2021 SOLID GOLD WEIGHT 2.5 G FINE GOLD 999.9
Reverse
Monumental Nugget, reproduction of a gold Usa coin of 20 Dollars; series name at bottom. Theme and event date at left
Lettering: THE MONUMENTAL NUGGET IN GOLD WE TRUST CALIFORNIA 1848 UNITED STATES OF TWENTY