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 Artifact Biface Chipped Stone Department Photographic Object Number 58-34-20/61396 Origin Terms San Agustin Acasaguastlan See Also https://collections.peabody.harvard.edu/objects/details/417649 Altar, front of Stela M Copan Album: Volume 1, Page 37; Written on … Altar of Stela F, western side Copan Album: Volume 6, Page 5; Written on … Back of Stela 6 Written on board: Back of Stela #6. Discovered … Eastern side of Stela J Copan Album: Volume 1, Page 33; Written on … Stela and structure at Copan Main structure covered with forest Written on board: View of Main Structure of … chevron-right