I don't know about other ivory, but wooly mammoth, mastodon ivory has a different grain structure than modern elephant ivory. I have some mammoth ivory and it is easy to tell it from modern ivory.
Of late, we have had administrations that will argue the meaning of "is". If two of their experts declare you in possesion, do not expect it to go well. Regardless of what you think, or know.
The Fender guitar raid is connected to the IRS scandal. The owner is a well known contributer to conservative causes, and was fingered for such by the IRS.
Best,
Ted
