Extragalactic 2025 5oz Silver Patinaed Coloured Coin

Delayed Dispatch - Mid September 

The Perth Mint proudly presents the 2025 Extragalactic 5oz Silver Patina Coloured Coin, a spectacular release inspired by the Whirlpool Galaxy (Messier 51). Struck from 99.99% pure silver with a unique patina finish, this coin combines artistry, astronomy, and luxury with the inclusion of pink, golden, and white diamonds hand-set into its design.

Coin Design

• Reverse: A coloured depiction of the Whirlpool Galaxy, encircled by inscriptions noting its distance from Earth (31 million light-years), size in kiloparsecs, and celestial coordinates. Four diamonds (pink, golden, and two white) represent stars within the galaxy’s spiral arms. Also features the designer’s initials ‘NM’, the Perth Mint’s ‘P’ mintmark, and the 2025 year-date.

• Obverse: The effigy of His Majesty King Charles III by Dan Thorne.

Each coin has been individually patinaed, creating a unique surface finish that ensures no two are alike.

Key Specifications

• Metal: 99.99% pure silver

• Weight: 5oz (155.533g)

• Denomination: $25 AUD

• Diameter: 55.90mm

• Thickness: 8.50mm

• Gemstones: 1 x Argyle pink diamond (0.03ct), 1 x Argyle golden diamond (0.10ct), 2 x white diamonds (0.20ct total)

• Maximum Mintage: 1,000

• Finish: Proof with patina and selective gemstone setting

• Reverse Designer: Natasha Muhl

• Obverse Designer: Dan Thorne

• Item Code: 25Q79AAA

• Barcode: 9327025054339

Presentation

The coin is housed in a luxury presentation case, accompanied by a numbered Certificate of Authenticity and a themed shipper. Each patina treatment results in a distinctive finish, making every coin a one-of-a-kind collectible.