507 / 906 Obsidian "Copan blades" (S.A.A. 214). Save Share Ask Question Copán Ruinas Archaeological and Conservation Project Save Share Ask Question Classification Terms Chipped Stone Biface Artifact Department Photographic Object Number 58-34-20/61397 Origin Terms San Agustin Acasaguastlan See Also https://collections.peabody.harvard.edu/objects/details/417653 View of small terraces eastern side of steps leading to top of Mound 21 Copan Album: Volume 3, Page 24; Written on … Obsidian "Copan blades" (SAA 214) E. of Str. 9. Market Written on album page: "Esquipulas / Copan carvings" Altar Q at Copan G.B. Gordon and plan of Copan Section about twelve feet south of centre of Mound 36 Copan Album: Volume 4, Page 3; Written on … Explore chevron-right