These are #1 premium boar tusks from the Philippines. These tusks have been cleaned and are ready to use for making jewelry or displaying. They are measured along the curve on the back side. They are mostly hollow inside. The opening is from 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.