Cook Islands 2025 $20 Sea Monster Underwater Fantasy 3 oz .9999 Antiqued Coloured Silver Coin

2025 Sea Monster silver coin

In the Underwater Fantasy series, Sea Monster follows the 2024 Mermaids issue with a scene of tentacles rising around pirate ships. Sculpted relief, swirling debris and waves give the encounter movement, while coloured enamel and a partial antique finish bring out the details.

This 2025 Cook Islands $20 coin contains 3 oz (93.3 g) of .9999 silver and measures 50 mm across. Its stated mintage is 777. A presentation case and certificate of authenticity are included. Shop the Underwater Fantasy Sea Monster coin at FORTYMILLION.

• Country and year: Cook Islands, 2025; denomination: $20
• Metal: 3 oz (93.3 g) .9999 silver
• Antiqued finish with coloured enamel and relief details
• Diameter: 50 mm
• Stated mintage: 777
• Presentation case and certificate of authenticity