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Freshwater pearl mussel.
Freshwater pearl mussel1

Unio shells

Unio shells are from the freshwater pearl mussel which are dredged from rivers and the nacre-bearing shells are used for buttons and gambling tokens, among other things. A large specimen in good condition has a base value of 1gp.[1]

References Edit

  1. Jeff Grubb and Ed Greenwood (1990). Forgotten Realms Adventures. (TSR, Inc), p. 142. ISBN 0-8803-8828-5.