The vintage manuals for sale have discoloration to them that most books get of this age. The pages are more of a dull yellow. They may also have writing on pages from previous owners. An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. Consider pictures part of the description. I disclose any flaws I see of the item(s) in this description area. Color may vary a little according to light when the picture was taken. Item is coming from a smoke-free and cat-free home. I treat your item just as I would want my item to be treated and stored. My items are cross-posted on other online selling platforms. What is available today may be gone tomorrow.