The slide rule is new and unused. The case, box, and instructions all show signs of age and storage. The box shows some discoloration. The two-part plastic case has some red spots on the white piece.
There is rust on the staples in the instructions booklet and it has bled onto the pages. Please see all of the pictures and scans. The scales are: +CP mm, [P, F2, F1] L m, -Cs mm and -Ci m, L.
M, +-Ct mm T, Fa, h. L m, Pn You can see the actual scales by clicking on the pictures and scans. Please check my other listings for other items, including more slide rules.