Letter opener with calendar and map, 1893-1894
1893-4
1893-4
2000-100 BCE
1863-7
1820
1990-96
1821
1821
1705-1737
1820
1772 (original); 1919 (model)
1819
1775-1799 (original); 1900-1907 (model)
1821
1821
4000-2001 BCE
1822
1888-185
1820
1822
1822
1822
1819
1822
1819
1819
2000-1350
1883-01
1972-3
1945-50
1990-95
1820
1822
1870-10
1817
30 CE
1818
1820
30 CE
1822
1818
3500-1000
1821-08-31
1820
2686-2613 BCE
1817
1822
1822
1820
1817
1820