A very large, complete adult internal mould. The sutures, including the last one, are visible and the body chamber occupies 9/10ths of a whorl and shows uncoiling of the umbilical seam and is completely smooth. The ribbing on the phragmocone varies from from fine and prosiradiate on the inner whorls to coarse on the outer whorl. From Salperton, Gloucestershire. (Price does not include stand)
Size: 295 mm in diameter.
Size: 295 mm in diameter.