b 1780 - d 1836
1780=1800
1854=1906
1779 (design date)
c 1820-1830
1788=1789
c 1780=1800
1778=1906
1780-1906
1778=1854
1789=1854
c 1780=1786
c 1773
c 1760=1770
c 1779
c 1785
1783=1789
1783=1786
c 1770=1790
c 1791
1789
1785-1790
1778=1780
1778=1826
c 1775 (probable design date)
c 1788
c 1778 (design date)
c 1880
1825=1875
c 1805
c 1765-1770
1800=1900
1780=1906
c 1783 (design date of bowl)
1780-1800
1783 (date of design)
1790=1800
1782
c 1902
c.1763
c.1854
1768=1775 (circa)
1780=1854
c 1774
c 1783 (design date)
c 1770
1787=1854
1777=1789
c 1790
1780-1795
after 1778
c 1789=1790
c 1768=1775
1786
1850-1900
1790=1795
c 1810
1773=1779 (design date)
c 1784
c 1770=1775
c 1778
1776=1800
1890-1910
1790 (circa)
c 1790=1792
1850=1900
1790=1793 (design date)
1879
c.1780
1773
c 1780
1760-1770
c.1798
c.1782
1770 (circa)