1950
1951
1947
circa 1950
1948
1946
1955; 1830
1946-1950
1946-1948
2000-100 BCE
1938 and 1951
1949
1950-1951
1990-96
1986 (replica); 1501-1600 (original)
1830 (original); 1967 (model)
1903 (original); 1982 (model)