Altar of Zeus Agoraios before the removal of Byzantine walls at right ... northeast 1422 ... 7 May 1951
Mason's mark near the west side of the Altar at the end of the top step ... 1453 ... June 1951
Mason's mark near the southwest corner of the Altar of Zeus Agoraios, on the end of the second step from the bottom ... 1454 ... June 1951
View of the altar after partial reconstruction ... northeast ... 30 Jul 1951
