The dawn of a new collector’s treasure has arrived- “Sativa Sunrise”, the. Release in the new KOSHIKOI Series (UV Colorized) by Castronomics. Struck from 1 Troy oz of. 999 fine silver, this art bar blends vivid UV colorization with exquisite craftsmanship. Only 25 pieces minted worldwide – each individually serialized for ultimate exclusivity. ? Stunning UV color brings the “Sativa Sunrise” design to life in breathtaking detail. ? Sealed in a protective capsule and paired with a Certificate of Authenticity. Whether you’re building your silver stack or elevating your art bar collection, “Sativa Sunrise” is a must-own centerpiece. Series: KOSHIKOI (UV Colorized). Metal Content: 1 Troy oz of.