Used Olympus OM System Guide Printed in Japan O31223
It is not a complete manual. It is just a brochure with camera features and accessory list.
This photographic guide has been used with varying signs of cosmetic use, some pages have small tears and/or underlining. But all information is legible and all information can still be used. I would rate it a 7.5, on a scale from 1 to 10.