Mystery Artist 30 – Lion on a Necklace

We’re hoping someone may be able to identify the artist and the material on this necklace.  I’ve emailed the owner hoping to get some better pictures, especially of the signature to the left.  It appears to be either ivory or possibly antler, hard to tell since the base is capped. The cracks at the top make me think ivory, but the staining near the base makes me think antler.  Anyone know the artist or material? We’d love to know.  Post your comments below, and as always, thank you!Lion Profile scrimshaw - Mystery Artist 30Scrimshaw Lion on unknown material