ALCO F4 historic diesel locomotive Spiral Notebook by Douglas Sacha - Pixels
Amazon.com: F4 Notebooks: Ruled Notebook Lined School Journal | 120 Pages | 6 x 9" | White _ Green For Kids Teens Girls Boys (Composition Books): 9781710258769: Notebooks, F4: Books
Rocketbook Mini Everlast Smart Notebook 3.5” x 5.6” Light Blue + Pilot Pen F4 855510007229 | eBay
F4 Phantom Sketch - XV574 Spiral Notebook by Airpower Art - Pixels