This sale is for a vintage Illinois Bell Telephone Company, Bell System. The book is in an overall goodcondition. It is unused; however, there is a corner torn off on the last page. Edges are worn as well as the corners. Unsure of the age? There is a list of area codes that may help? Please review description and photos; as well as check my other listings for different products. Please email with any questions and I will answer them the best I can. I can also try to send/ post an extra photo if needed. Thank you for looking. Please look for my other auctions. I do try to send the item within 24hrs of receipt of payment. Attention all international bidders - I welcome bids from all around this great world of ours!! The country of origin must accept items like this through customs.