A golden artifact made by the Quimbaya civilization of Colombia back in 1000 CE. Allegedly, these artifacts depicts an aircraft, which results into them often being considered an "out-of-place artifacts":[https://en.wikipedia.org/wiki/Out-of-place_artifact]. In reality, these artifacts are most likely a stylized depictions of birds.

[[Usami Sumireko]] wears one as a clasp for her cloak.

h4. External links

* "Wikipedia: Quimbaya artifacts":https://en.wikipedia.org/wiki/Quimbaya_artifacts
黄金ジェット