The Perth Mint of Australia expanded its lineup in November with eight new releases, offering collectors a diverse mix of designs that include gold Koalas, silver Year of the Horse coins, a massive antiqued butterfly strike, and two distinctive rectangular colored silver coins inspired by the hit Netflix series Stranger Things.
All eight coins are available for purchase directly from The Perth Mint. Additional details for each product are provided below.
2025 Australian Koala 1/2 oz Gold Proof Coin
Gold Koala coins are perennial collector favorites, and this extremely limited-mintage 2025 Australian Koala 1/2 oz Gold Proof Coin is unlikely to be an exception. Each $50 coin is struck from 1/2 ounce of 99.99% pure gold.
Reverse depicts a koala clinging to a tree trunk amid eucalyptus leaves, designed by Alesha Howarth. Obverse features Dan Thorne’s effigy of King Charles III.
Face Value: $50 Diameter: 25.60 mm Thickness: 2.50 mm Maximum Mintage: 250
2025 Australian Koala 1 oz Gold Proof Colored Coin
Like the 1/2-ounce version, this 1-ounce colored edition carries an extremely limited mintage. Each is struck from 1 ounce of .9999 fine gold.
Reverse uses the same koala design, with the koala, branch, and leaves colorized. King Charles III appears on the obverse.
Face Value: $100 Diameter: 32.60 mm Thickness: 2.95 mm Maximum Mintage: 200
2026 Year of the Horse 1 oz Silver Proof High Relief Coin
Australian Lunar Series III continues with this 1-ounce silver proof high-relief coin celebrating the Year of the Horse. Each $1 coin is struck from 1 ounce of 99.99% pure silver.
Reverse by Ing Ing Jong shows a mare and foal set against mountains and grassland. Obverse carries Thorne’s King Charles III effigy.
Face Value: $1 Diameter: 32.60 mm Thickness: 6.10 mm Maximum Mintage: 3,888
2026 Year of the Horse 1 oz Silver Gilded Coin
Shares the same design as the high-relief coin, with the mare and foal gilded in 24-karat gold.
Face Value: $1 Diameter: 40.90 mm Thickness: 3.50 mm Maximum Mintage: 25,000 Issue Limit: 23,500
2026 Baby Horse 1/2 oz Silver Proof Colored Coin
Struck for Tuvalu, the 2026 Baby Horse 1/2 oz Silver Proof Colored Coin features a colorful baby horse by Natasha Muhl. Flowers appear below the foal with a dragonfly at left. Obverse shows Jody Clark’s portrait of King Charles III.
Face Value: 50 cents (TVD) Diameter: 32.60 mm Thickness: 2.90 mm Maximum Mintage: 7,500
2025 Butterfly 2 Kilo Antiqued High Relief Silver Coin
Struck from 2 kilos of 99.99% pure silver, this imposing piece presents three butterflies in high relief among native foliage, designed by Jennifer McKenna. Obverse bears Thorne’s effigy of King Charles III.
Face Value: $60 Diameter: 101.30 mm Thickness: 36.30 mm Maximum Mintage: 200
2026 Stranger Things – Season 1 Silver Colored Rectangular Coin
This 1-ounce .9999 fine silver rectangular coin pays homage to the Season 1 poster of Stranger Things, featuring Mike, Dustin, Lucas, Eleven, and others. Struck for Tuvalu, the obverse features Jody Clark’s King Charles III effigy.
Face Value: $1 Dimensions: 47.60 mm × 27.60 mm Thickness: 3.57 mm Maximum Mintage: 1,500
2026 Stranger Things – Season 2 Silver Colored Rectangular Coin
Season 2’s poster takes center stage, with Eleven unleashing her powers and additional characters depicted. Each rectangular coin is struck for Tuvalu with a face value of $1 (TVD).
Face Value: $1 Dimensions: 47.60 mm × 27.60 mm Thickness: 3.57 mm Maximum Mintage: 1,500
Ordering
Ordering details and additional information are available directly from The Perth Mint of Australia through its collector coin page.
