If you're lucky it'll have some amazing cable lacework[1] holding the various bundles together. Sometimes I've thought that the insides are actually better looking than the case. It's a shame that it's dying out in favour of cable-ties and velcro, although the effort involved in both learning the skill and creating/reworking bundles means it's seldom the most economical approach.

I think it still lives on in some Ham radio groups teaching materials and standards though, as well as niche environments or reliability critical applications like (aero-)space

[1] https://en.wikipedia.org/wiki/Cable_lacing