Seal die, Ashby De La Zouch Canal Company
1794
1794
1771-1800
1760-1770
1785
circa 1800
1752
1761
1782-1793
1762
1762
1770-1800
1781-1790
1762
1751-1800
1762
1769
2000-100 BCE
1761
1776
1757
1784
1762
1762
1752
1762
1755
1751-1800
1777-1785
1778
1782
1787
hallmarked 1788
1762
1762
1756-1800
1770
1799
1780-1800
1796-1797
1796-1798
1775-1785
1751-1800
1785-1789
1771-1800
1758-1773
1758-1769
1758-1769
1758-1769
1776-1780
1776-1780