Overall the sockets are in used vintage condition. The chrome finish on some show more signs of use and wear vs others. About half are in good to very good condition. The other half have some deeper dents or scratches in the chrome. Generally the smaller ones are in better shape.
All of the 6-point drive openings show some signs of use and wear, but most are in good usable condition. The 11mm, 13mm and 18mm show the most wear. As noted above, the 15mm is cracked. Otherwise no significant performance issues noted.
The green storage case does show signs of use and imperfections given age. There is some fading to the paint and lettering, a small dent by the '15' and dust/dirt from being in shop.