Demainbray's turquoise disc
1745-1755
1745-1755
1735-1752
1750-1795
1745-1755
1776
1808
1809
1794
1795-1805 (original)
1808
circa 1805
circa 1750
1742
1771-1800
1758-1769
1758-1769
1760-1770
1758-1769
1797-1804
1785
1725-1775
1725-1755
circa 1800
1776-1780
1776-1780
1776-1780
1751-1800
1793-1803
1778
1785
1785
1806
1748-1763
1769
1807
1720-1800
2000-100 BCE
1720-1800
1782-1793
1795-1805
1757
1784
1762
1752
1893-4
1762
1799-1802
1755
1745-1755
1750