10 Dollars - Elizabeth II Koala

The "five nines" gold fineness — .99999 — is commercially associated with the Perth Mint's refining capabilities and appears on several of their licensed bullion programs. This Solomon Islands issue is almost certainly struck there under licensing arrangements, a common structure for Pacific island nations whose own minting infrastructure is nonexistent. At half a gram, it belongs to a format aggressively marketed to entry-level bullion buyers through retail gift channels after roughly 2015.