Printed map. "C. F. Ulrich, delineavit". McMaster's copy has been affixed in cover folder, with two other maps (RMC_5492 and RMC_5493). Cover has a handwritten label reading, "3 Karten zu Arat, Eratosthenes, Dionysius Perigeles [signed] W. Matthias, 1816". Possible connection to cartographer, Wilhelm Heinrich Matthias (active 1803-1830)? Penciled in upper right margin: I. Aratos.