These are beautifully carved skulls by local artisans in Mexico.
 
Black Obsidian is a glass like rock formed from volcanic lava, also known as volcanic glass. Black obsidian is believed to help a person become more grounded and focused in practical matters. Obsidian can help remove chaos and bring more balance into your life.
 
Black Obsidian is also the stone of protection, and if held/ worn can absorb negative energy and protect you of your surroundings. It is also the stone of truth and can help you see past lies and illusions.
 
The listing is for either A or B skull, skull on the left is A and skull on the right is B.