- Mintage Limit - 999
- Animals in Glass Butterfly Greta Oto 50g Proof Silver Coin
- Coin in capsule+with Certificate of Authenticity+Presentation Case
- New Unique Series with Glass insert
- First issue is the Greta Oto butterfly
The Glasswinged butterfly (Greta oto) is a brush-footed butterfly, and is a member of the subfamily Danainae, tribe Ithomiini, subtribe Godyridina. G. oto adults also exhibit a number of interesting behaviors, such as long migrations and lekking among males.