These are #1 premium capped boar tusks from the Philippines. These tusks and have been cleaned and are ready to use for making jewelry or displaying. They have a black cap with a metal loop at the base. They are mostly hollow inside.
These are measured along the curve on the back side. The base is about 0.5" to 0.75" across.
The genus and species for wild boar and domestic boar are the same. Boar are raised for meat. The animal is not killed just for its tusks.
No USFWS import or export clearance is required for domestic boar tusks.