[ApplegateRanch]

At first I thought Southern Darfur Gharb, but looking at Joe’s picture, the quality control reminds me more of China.

Considering it’s eggshells, maybe Sum Dim Gorge?

[JoeProBono]

Ostrich Eggshell Beads Turkana, Samburu, Ovambo tribes. east Africa.

[SunkenCiv]

I still don’t know. The articles online were just duplicates of the original press release, and I never found a hot link to a dictionary def of SDG. A general search didn’t turn up anything. Based on the other stuff discussed, I think it’s Africa. :’)