10 Dollars - Charles III London

At 0.155 grams of fine gold, this is among the smallest sovereign-format bullion issues currently in production — a weight class made viable largely by advances in precision minting technology over the past two decades. The Solomon Islands has functioned as an issuing authority for collector coinage since the 1970s, though monetary policy and currency management remain tied to the Solomon Islands dollar administered by the Central Bank, making these gold pieces purely numismatic instruments with no domestic circulation role.