
'Memento mori' watch in the form of a skull, known as the 'Mary Queen of Scots' watch.
1780-1850
1780-1850
1829
1853-1857
1770
1846
1829
1850
1781-1790
1777-1785
1831
1858
1815-1825
circa 1861
1862
1858
1869
1791
1795
1801-1830
1847-1848
1775
1830 (original); 1967 (model)
1821
1849
1870
1771-1830
1775
1842
1853
1854
1837
1794
1837
circa 1861
1835
1847
circa 1805
1867
1867
1859
1807
1782-1793
1770
1785-1790
1784
1815
1784
1815
1842
1795-1810