Here is a lovely floral endpaper that has aged and yellowed nicely over time. The page is from the book The Sunbeams and Me that was published by Raphael Tuck & Sons in the late 1800s. 
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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
Thank you
You’re welcome Angela.