1844. Inner face of so-called "Labná Arch" with connecting buildings on both sides. "19. Gateway at Labnah".
Chromolithograph in Frederick Catherwood, Views of Ancient Monuments in Central America, Chiapas, and Yucatan, 1844 (Pl. XIX). Based on Catherwood’s 1839-42 on-site drawing, but for this lavish folio slightly straightened and glamourized. This image scanned from a 35mm slide taken from a copy in the AMNH (RF-13-K). Reproduced Courtesy of The Library, Special Collections, American Museum of Natural History.