1 of 9 coins only. 2021 Palau Seven Natural Wonders: Grand Canyon – 3oz Silver Coin. Antiqued by Captains Chest Bullion. Embark on a breathtaking journey through nature’s masterpiece with the 2021 Palau Seven Natural Wonders: Grand Canyon 3oz Silver Coin. This exceptional coin pays homage to one of the world’s most awe-inspiring landscapes, capturing the grandeur of the Grand Canyon in exquisite detail. Series: Seven Natural Wonders – Grand Canyon. Design: Features a stunning depiction of the Grand Canyon’s intricate rock formations and deep canyons. Authenticity: Issued by Palau, known for its commitment to producing unique and finely crafted collector’s items.