Need help with identifying items

I have this 3 items that I would like to figure what are they, how are they called and are they old? Unfortunately there is nothing (numbers or any company marks) to trace them on the back.

This is some kind of serving platter:


This is serving platter as well:


This jug has winding music box at the bottom:

 

The top piece looks like Spanish damascene,check it with a magnet and see if the magnet sticks.

 

Second is Egyptian tourist piece with a little age to it. Mixed metals.... possibly niello. Third is a c. 1930 tankard with arts and crafts influence. Looks like brass.

 

Thank you.

 

Thank you.