http://agathe.gr/publications/monographs.html
Monographs Excavations in the civic and cultural center of classical Athens began in 1931 and have continued almost without interruption to the present day. The first Athenian Agora volumes presenting ... These range in date from the last century of the Roman Republic to the declining years of the Republic of Venice. ... The bulk of the lead material dates from the Roman period, while all the clay pieces belong to the 4th, 3rd, and 2nd centuries B.C. ... The chronological range is thus from the earliest Archaic kouros (ca. 600 B.C.) through the herms and Hekataia of the Roman period.