
Blackboard covered with Graffiti
1980
1980
1845
1883
1883
1883
1883
1883
1883
1999-2002
200-200
1880-1890
1883
1883
1883
1883
1883
1883
1883
1883
1883
1883
1883
1883
400 BCE-300 CE
1920-1960
circa 1943
circa 1943
1801-1900
circa 1850s
1886
circa 1850s
1850-1900
1850-1900
1850-1900
1974
circa 1943
1920