Lack of inspiring road signs lead me to an old copy of the British Highway Code. Found the 'interesting' page and got snapping at various angles and lighting setups.
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Lighting and background are good but IMHO it need more DOF because the front is too blurry.
The top of the book is in focus but you have there less light (it is dartker) than the bottom of the book (out of focus part)
If the top of the book would be brighter and the bottom would be darker maybe then the current DOF works well.