1778
2000-100 BCE
1785
1750-1770
1755
1757
1776
1770
1784
1777-1785
hallmarked 1788
1750-1766
1776-1780
1785-1790
1758-1769
1758-1773
1762
1785-1789
1750
1752
1781-1790
1764
1782
1787
1761
1750-1760
1769
1775-1785
circa 1750