http://collections.mfa.org/internal/media/dispatcher/585307/resize%3Aformat%3Dfull;jsessionid=19FE07F0E4A5EF8F7A51F36D1174920DLadleabout 2600–1900 B.C.ShellArchaeological materials3.1000000000 Centimeterhttp://collections.mfa.org/objects/detailsrdf/125068;jsessionid=19FE07F0E4A5EF8F7A51F36D1174920D