GIANT MUSEUM CONDITIONS BROWNISH WOOOOW!! The specimen displays extraordinary commarginal fat thick undulated radial ribs. So spectacular micro special multiple tiny tibs all around as you can see on pictures combined with fantastic banded darker color. For specialist and connoisseurs of this amazing Family. The best of the best GEM-F+++!! Found buried in thick yellow sand between stones about 5m deep. Barra de Navidad, Jalisco, Mexico. March 2025. Value for this marvelous masterpiece with special brownish great colors and stunning sculpture: 15-18 euro. Good luck and Happy shelling!!! MEXICO PACIFIC