Watch List notes:

PAPUA NEW GUINEA: New Britain, mokmok stone money (311g), Opitz (2011) p.363 (plate example), 71mm wide & 36mm tall, with a 19mm hole in the center, made from speckled gray stone and with a polished surface, considered highly valuable and used to purchase land and as bride price, passed from father to first-born son and never to a daughter, EF, ex Charles Opitz Collection. Visit www.traditionalmoney.com for a downloadable copy of Odd & Curious and Traditional Money (Opitz, 2011).

Estimate: 220-260 USD