This is a lovely 3 piece set that is likely from the 1950s or 60s. It is a nice simple style. It needed a bit of attention.
Several missing buttons.
The set has 2 arm chairs. One with sloped (curved) arms, and one that matches the sofa.
The chair and sofa were upholstered in a textures olive green, which went well with the client's home.
The colour is off in this photo.
A detail from the sofa back.
Unfortunately I did not get any photos of the other arm chair. It was upholstered in a nearly identical fabric with a slightly different shade (a bit more brownish IIRC).