
'Memento mori' watch in the form of a skull, known as the 'Mary Queen of Scots' watch.
1780-1850
1780-1850
1853-1857
1770
1829
1846
1829
1815-1825
1850
1781-1790
1777-1785
1831
1858
1801-1830
1858
1849
1760-1775
1791
1795
1847-1848
1775
1830 (original); 1967 (model)
1821
1771-1830
1775
1842
1854
1837
1794
1837
1842
1860
1771-1830
1771-1830
1771-1830
1845
circa 1750
1762
1750-1795
1798
1755
1856
1797
1934
1805
1800
1780
1783-1800
1812
1830
1795