Letter opener with calendar and map, 1893-1894
1893-4
1893-4
2000-100 BCE
1934
1863-7
1955; 1830
1847
1848
1775-1799 (original); 1900-1907 (model)
1990-96
circa 1848
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
4000-2001 BCE
1705-1737
1870-1877
1934
1847-1848
1930 (replica); 1834 (original)
1830 (original); 1967 (model)
1870-10
1883-01
1730; 1967
1872-08
1847
1972-3
2500 BCE
1880-120
1860-1820
1847
1871-1830
1915-1825
1990-95
1901-950
1847
1800-1830
1800-1830
1798 (original); 1977 (model)
1066; 1876
1847
1888-185
1945-50
1848
1848
3000-1500
3000-2000 BCE
1834-1836
1910-130
1848
2000 BCE
1848