A greyhound darts through the middle of this fancy letter D drop cap image. This open and light D image could easily be colorized and is perfect for anyone looking for a drop cap D with a dog. The Nursery, February 1877 is where I found this illustration.
This image is copyright free and in the public domain anywhere that extends copyrights 70 years after death or at least 120 years after publication when the original illustrator is unknown.