ᐅ Looking for the Ikea name of an older light gray sofa

I have a nice, simple light gray sofa from Ikea, a bit older, and I couldn't find any label on it. There is a number visible on the upholstery: ID 15151. Does anyone know what model this sofa might be?

15151 is the manufacturer’s reference number for the cover.
Based on your description, it is unlikely that anyone will be able to identify the sofa. The year of purchase and a photo would be helpful.

Try to find a number on the underside or under the cover, if the cover can be removed (zipper).