![Image](http://images.fasocdn.com/12477_1786676l+v=201506172055c201412121108/blue-iris-study.jpg)
Here is the history of painting on copper....
http://reneelammers.com/other1
Available paintings for sale if you are interested....
http://reneelammers.com/works
Disclaimer. I have several of her paintings and am a satisfied customer. I am not related to her.