1957
1955
1956
1954
circa 1955
1954-1955
1958
1955; 1830
2000-100 BCE
1990-96
1986 (replica); 1501-1600 (original)
circa 1956
1830 (original); 1967 (model)
1903 (original); 1982 (model)
4000-2001 BCE