'Memento mori' watch in the form of a skull, known as the 'Mary Queen of Scots' watch.
1780-1850
1780-1850
1775-1785
1672
1625
1640
1685
1799
1680-1690
1830
1630-85
1700-1725
1630
1700-1815
1710
1780
1812
1625
1700
1788
1640
1680-1685
1700-1725
1600
1708-1710
1785-1795
1580
1675
1610
1690
1700
1790
1700-1725
1670-1680
1750
1650
1610
1690
1680
1800
1600
1630
1702
1680
1660
1650
1622-1628
1660
1600
1680
1630