Austria's ongoing "Heavenly Signs" series pairs each zodiac issue with a naturally sourced gemstone set into the coin itself — the amber used here is Baltic in origin, the same fossil resin traded across northern Europe since the Bronze Age. The amber inclusion makes these pieces genuinely fragile by coin standards; storage and handling practices matter more than with any standard silver issue.
Austria's ongoing "Heavenly Signs" series pairs each zodiac issue with a naturally sourced gemstone set into the coin itself — the amber used here is Baltic in origin, the same fossil resin traded across northern Europe since the Bronze Age. The amber inclusion makes these pieces genuinely fragile by coin standards; storage and handling practices matter more than with any standard silver issue.