How can you tell if a couch is vintage?

To tell if a couch is vintage, examine its frame and cushions for tags, labels, and stamps that provide information about the maker. In some cases, the date of manufacturing may appear on these identifying markers. If not, research the manufacturer's name using trusted online resources to get an estimate of its age. Any couch that is 20 or more years old would be considered vintage. Sofas that are 100 years of age or older are antiques. Find a collection of antique, vintage and contemporary couches on 1stDibs.