Medal commemorating the Montgolfier unmanned balloon ascent
1783
1783
1785
1785
1782-1793
1784
1784
1785-1790
1798
1794
1782
1787
hallmarked 1788
1780-1800
1796-1797
1796-1798
1785-1789
1781-1790
circa 1800
1785
2000-100 BCE
1797
1799
1799
1705-1737
1790
mid-1800s
1794
circa 1780
1790
1785
1797
1791
1785
1780
1772 (original); 1919 (model)
1775-1799 (original); 1900-1907 (model)
1792
1797
1990-96
1791-1792
circa 1795
circa 1800
1784
1784
1783
1784
1788
4000-2001 BCE
1800
1800