Cf. another, similar, in the Linden Museum, Stuttgart (Heermann, I., and Menter, U. Schmuck der Sdsee, Munich, 1990, p.130, fig.77.8). Adrienne Kaeppler (Artificial Curiosities, Honolulu, 1978, p.210, no.195, fig.422) illustrates a similar shell length, described as a leg ornament, collected by Captain Cook and now in Vienna.