It’s pretty cool. I did an image search on it. Lots of them out there & most reupholstered so they are popular. They are called channel back sofa - those deep tufts. They are vintage from early 1920’s - 30’s. Some have legs so the front piece is shorter. They look daintier - I like your style better. You’ll have to see it / sit on it to decide if comfy. I’m wondering about that pillow on left - it seems to stick out so either not pushed in or is too large? The wood details look in great shape. You said ’this set’ is there a chair too?

Whats in those seat cushions will be a factor. Common fill is polyurethane foam. It deteriorates by getting softer and softer over a 10 year period until it is super soft with little support. Latex is stable over its life. But you'd need to do that yourself. Only found on expensive seating. Another seat fill is pocketed springs. Wrapped foam is the lowest for long-term performance. Think of the seat construction like it was a mattress.

A latex mattress I sleep on regularly has not remained stable over the last 10 years. It has a dip in the center. It was not a cheap mattress, either. I would not assume latex is going to hold up significantly longer than a good foam, although it will certainly be better than a cheap one.