Have you tried a google image search? That's how I found the one linked below. It was on a blog.

Here is a link that might be useful: {{!gwi}}

Here is something similar on eBay at the link below.

Here is a link that might be useful: New Porcelain table lamp

Here's a similar one from Lamps Plus:

Here is a link that might be useful: Lamp info

This is somewhat similar.

Here is a link that might be useful: lamp

This is a little bit similar:

{{!gwi}}

Check out some these Martha Stewart lamps.

Here is a link that might be useful: Martha Stewart Lamps