1/2 gram pure gold, Mini Money Koala, Royal Australian Mint.

Different designs

2021 Royal Mint,
1 Oz Valiant Fine Silver Coin

2020 Star War Darth Vader
1 Oz Silver Coin

100 gram 99.99% pure gold,
Perth Mint

AOE 1 Oz 999 Fine Silver

Scottsdale half ounce
1/2 oz 999 fine silver coin