
Letter opener with calendar and map, 1893-1894
1893-4
1893-4
2000-100 BCE
1610; 1923
1820
1815
1815
1863-7
1821
1816
1815
1990-96
1772 (original); 1919 (model)
1819
1775-1799 (original); 1900-1907 (model)
1815
1820
4000-2001 BCE
1821
1705-1737
1820
1815
1821
1821
1821
1990-95
1977; 1204-1206
1730-1760 (original); 1931-1939 (replica)
1642-1649 (original); 1883 (model)
1936
2050-1750 BCE
1668; 1924
1820
1819
15/7/27
1815
1821
1816-1821
1821
15/7/27
1840-160
1816
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
1818
3000 BCE
circa 3000 BCE