31.1 (1 oz). This amazing 1 Oz Silver coin is dedicated to the butterfly, and celebrates the beauty and symbolism of transformation. It features a visually striking design, enhanced by a stunning contrast between the luminous butterfly and the deep black background. This accentuates every delicate detail, making the butterfly appear almost ethereal. This Silver coin has a striking Obsidian Black quality, and comes in a case, along with a Certificate of Authenticity. Limited mintage of only 999 pieces worldwide!