Gungok-ri shell mound, Songji-myeon, Haenam-goon, Jollanam-do
Mahan(Ancient union of smallar countries in Korean penisular)
1~3th centry(Iron age)
Bone(Deer's horn)
*similar to atlatl(Javelin thrower).
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Source
Gwangju
National Museum http://gwangju.museum.go.kr/eng/index.jsp
Flworld.com(Broken rink)
http://flworld.com/?mid=admingallery&page=2&search_target=tag&search_keyword=%EA%B5%AD%EB%A6%BD%EA%B4%91%EC%A3%BC%EB%B0%95%EB%AC%BC%EA%B4%80&document_srl=85889