Indus valley, signiture seal
signature
seal
Cartouche
See website: Soapstone
Its called a cartouch.
Soapstone is a metamorphic rock composed of the mineral talc. Soapstone is a non-foliated metamorphic rock with a microcrystalline texture. It is very soft and can be easily scratched.
No, soapstone is dense, non-porous and does not absorb liquids. Water and oil can be adsorbed by talc and soapstone.
L.L.Bean Signature was created in 1912.
Signature Properties was created in 1983.
Signature Books was created in 1980.
American Signature was created in 1948.
Signature School was created in 2002.