Dye Sample
1916
1916
1918-1922
1915
1918
1914-1920
1913-1923
1915
1920
1917
1924
1925
1923
1914
1924
circa 1920
1925
1922
1920-1925
1917
1915
1922-1923
1922-1923
1922-1923
1922-1923
1913
1914-1918
1920-1925
1923
1915
1914-1918
1915-1917
1918
1914-1918
1921
2000-100 BCE
1925
1917-1918
1924
1934
1915
1923
1914-1918
1915
1914-1918
circa 1920
1915-1925
1920
1914
1914
1955; 1830