button seal
noun1
A small circular seal (imprinting device) of a type used in Ancient Egypt and the Near East.
- Crete now takes its proper place as a half-way house between Egypt and the AEgean. The seals of the period show on them primitive pictographs that are certainly derived from the pictographs of the so-called button seals of Egypt.1907, Ronald M. Burrows, The Discoveries In Crete, page 50: