@KoenSwinkels Yap stones are rocks carved to look like shell beads. So they are modeled on prior ornamental + monetary collectibles.
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@KoenSwinkels Also folks should realize that Yap stones were an odd and unique exception -- shell beads worn on person was general rule.
@KoenSwinkels Those who yap about Yap stones as their main or only example of primitive money, demonstrate their lack of knowledge of same.
