You are admiring an outstanding specimen & a favorite of collectors worldwide, a Marginella sebastiani (Marchaud & Ross, 1979, 1886) measuring 36.9mm and graded F+++...stunning "Marginella" form with an amazing color pattern & very cool spotted markings displayed...a very special specimen!!  This beauty was diver collected at 8m off Dakar, Senegal.  A member of the very popular Marginellidae family & a wonderful addition for your collection.  Thank you for visiting our store this evening....and an excellent choice, too.