Sheffield Dates 1773-1798

	1773
	1774
	1775
	1776
	1777
	1778
	1779
	1780
	1781*
	1782
	1783
1784 - 30 November 1784 1 December 1785 - 1785	1784
	1785*
	1786*
	1787
	1788
	1789
	1790
	1791*
	1792*
	1793*
	1794*
	1795
	1796*
From 15 July 1797 for 9 months a doubled duty mark was used to signify the doubling of duty on silver	1797*
	1798

* = multiple images