Here is a wonderful vintage clip art image of a hen and rooster. They are Silver-Gray Dorkings. The illustration is from a dictionary in my collection that was published in 1906. 
Click on image to enlarge.
Julie is a vintage enthusiast and a Photoshop addict who loves to take pictures, scrapbook and cook.She collects old books and new recipes.
Contact her at: olddesignshop(at)gmail(dot)com
great image — thanks
You’re welcome Elaine. I’m glad you like it.