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 Altar of Stela M, northern side Copan Album: Volume 6, Page 18; Written on … Marker from Copan Stela M, upper portion Copan Album: Volume 11, Page 18 Stela 13 and Copan Valley, looking southwest Copan Album: Volume 11, Page 39; Written on … Mound 21, view between lower terrace of Mound 20 and steps of Mound 21, looking east Copan Album: Volume 3, Page 20; Written on … Structure 11 at Copan chevron-right