That might be a Hudson Valley light. I couldn't locate it exactly, but here is a similar Island Light from Maxim.
And a similar Hudson Valley Island Light
Most of Hudson Valley's products are solid brass vs. the steel maxim light, which is probably the reason for the price difference.

This one is very close:

http://www.restorationhardware.com/rh/catalog/product/product.jsp?productId=prod2060002&navAction=jump&navCount=2 (link below)

Yours:

Here is a link that might be useful: Clemson

here is another option... not as much of a match... but along the same lines:

{{!gwi}}

Here is a link that might be useful: Thomas O'Brien

Thanks to all of the great replies. I was unable to locate the exact fixture. I ended up purchasing this fixture. I don't like it as much as the one I posted about, but I think it will work!

http://hi.atgimg.com/img/p/7/198907_family.jpg

(sorry, i can't seem to post the pictures).

Here is a link that might be useful: