Watch List notes:

CONGO (DEMOCRATIC REPUBLIC): copper ring (844g), Opitz (2011) p.457 (plate example), with a horseshoe-shaped body ca. 13 x 10.5 x 2.5cm, a rather hefty example, used as ingot currency, Choice VF, ex Charles Opitz Collection. Visit www.traditionalmoney.com for a downloadable copy of Odd & Curious and Traditional Money (Opitz, 2011).

Estimate: 75-100 USD