Strange Mexican Necklace Silver and Gold

[drdunc]

Hi everyone I inherited a strange necklace which I think is pretty cool but it has a marking on it and I cant figure out what the top line is I can see

XXX (Maybe g/9 ? D)
IV - II
Mexico

Any help would be much appreciated just want to learn more about this piece.

No idea about age unfortunately

http://imgur.com/a/9HgGd

[dognose]

Hi,

Welcome to the Forum.

You are far more likely to get responses if you embed your images as very few people will click on thumbnails or links.

Trev.