It is determined by the area and how much is available. The quality of the tusk and if it is in one piece can also determine the value.
A walrus has ivory tusks. A narwhal has a single ivory tusk.
Trade of walrus tusks, teeth and bones from before 1972 (or somewhere thereabouts), including fossil, is unrestricted. Those from later can only be traded or sold (within the US) between the Inuit people.
A narwhal's tusk comes out from its upper jaw, and is actually an extension of its upper left hand tooth.
have no ideaa
The Narwhal has a long ivory tusk.
teeth
Ivory is the commonly used name for the substance of an elephant tusk.
Ivory is the tusk of an elephant.
no, it is a different kind of ivory
Dating a walrus tusk usually involves using radiocarbon dating techniques, which can determine the approximate age of the tusk by analyzing the decay of radioactive carbon isotopes present in the tusk. This method can provide an estimation of when the walrus lived and subsequently when the tusk was formed.
ivory
WALRUS! or... NARWHAL!