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.
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Julie is a vintage enthusiast and a Photoshop addict who collects old books and new recipes.
Contact her at: theolddesignshop(at) gmail(dot)com
great image — thanks
You’re welcome Elaine. I’m glad you like it.