Hello Green,
It is not possible to ascertain from these pics, but unless the Retzius lines disappear or fade by very fine superficial sanding or filing (around the pesi hole not to be visible), it seems to me that the piece is made from elephant ivory and is very finely carved. The perfect look may be only because the piece is recent. Other opinions are welcome. The black spots at regular intervals are strange (marks from a selut?).
Regards
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