Small drop cap L image with a central flower. This fancy letter L image is copyright free and in the public domain. Publishers once used images like this to start chapters in their books, why not consider doing the same?
A Store of Stories for Children was also a wonderful source of vintage images. It’s from 1888, published by Skeffington & Son and written by Frances Clare. No illustrator was credited.
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.