The largest mound in North America at 1400 B.C.
Poverty Point World Heritage Site
This is postmarked with a 'Poverty Point' cancelation mark in 2015.
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Poverty Point comprises several earthworks and mounds built in the Americas by a group of Native Americans of the Poverty Point culture. The culture extended 100 miles (160 km) across the Mississippi Delta. The original purposes of Poverty Point have not been determined by archaeologists, although they have proposed various possibilities including that it was: a settlement, a trading center, and/or a ceremonial religious complex.
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On June 22, 2014, UNESCO approved Poverty Point as a World Heritage Site.
USA stamp 2015
Issue Date: June 01, 2015
Art Director/Designer: Greg Breeding