
'Memento mori' watch in the form of a skull, known as the 'Mary Queen of Scots' watch.
1780-1850
1780-1850
1801-1830
1860
1839 (original); circa 1988 (replica)
1783-1800
1799-1802
1831
1777-1785
1831
1846
1858
1849
1847-1848
circa 1842
1853-1857
1829
1775
1801
1066; 1876
circa 1832
1788
1845-1855
1832
1845
1798
1842
1856
1797
1934
1805
1800
1780
1812
1830
1795
circa 1808
1840
1785-1795
1771-1800
1821-1850
1771-1830
1835
1783
1837
1848
1858
1850
circa 1860
1840
1826