Sealed glass disc containing specimen of crotolaaria
1880-1930
1880-1930
500-1650
1690-1710
1880-1935
1880-1920
1880-1920
1880-1930
1880-1930
1851-1930
1850-1930
1870-1930
1851-1930
1880-1935
1870-1935
1890-1930
1850-1927
1860-1900
1000 BCE-100 CE
before 1936