How do you know if something is vintage?

Something is typically considered vintage if it is at least 20 to 100 years old and represents a particular era or style. It often reflects the design, materials, and craftsmanship of its time, distinguishing it from contemporary items. Additionally, vintage items often carry a sense of nostalgia or cultural significance, making them desirable to collectors and enthusiasts. To determine if an item is vintage, one can research its age, provenance, and historical context.