I have a mini tea set, 6 piece with one tea pot, it says mari e.c. dervta(deruta?) italy. whats it worth?

Question

it has a picture on a blue/green rooster with flowerish designs on them.

Answer 1

The best way to find out what the value of something like this is...take it to a local antique dealer. Most generally they can tell you about it like what time it came from and the value. Or check on Ebay for one like it.