1971
2000-100 BCE
1973
1972
circa 1972
(1962); 1982
1990-96
1974
1986 (replica); 1501-1600 (original)
1903 (original); 1982 (model)
4000-2001 BCE
1973-1974
circa 1973
1971-01-09
1971-1900
1970 and post 1989
15/7/27
2000-500
2686-2613 BCE