You are admiring an outstanding specimen, a Fusinus undatus (Gmelin, 1791), w/operculum, measuring quite large at 187mmmm & graded F++/Gem...incredible "Spindle" form featuring an amazing spiral & proto formation & a stunning color pattern is displayed...a spectacular specimen. This beauty was collected at 30m off Olango Island, Philippines. A member of the Fasciolariidae family which includes all Spindle shells...will be a wonderful addition for your collection. Thank you for visiting our store this afternoon...& an excellent choice, too.