IIRC an object has to be at least 50 years old to be considered an antique.
Since it is 2007 currently, something from 1957 or earlier would be an antique.
Depends on who you're talking to.
Serious antiques dealers and collectors, as well as some governments, use 100 years. This has given us a plethora of terms to describe "younger" antiques, like collectibles, nostalgia, vintage, etc.
Reeves was well cast as a young Superman and I loved Margot Kidder when I as 8 --everyone over 20 and younger than your grandparents seems the same age to a pre-teen. Kidder seemed streetwise and urban, Reeves innocent and rural.
Now their differences are jarring! And nothing like a Swan drawing.