Does a Giclee or a Silk-Screen have greater value?

A silk-screen (if it were in fact a 'silk' screen, another subject to be tackled, since silk has not been in use for this process in years) has more value than any machine printed artwork or form. Since the, (let's call this what it is)..serigraph..is produced by hand mostly, with each color applied and registered, time involving to create the right color balance, which could also involve color matching/mixing and test prints to create the final print. The Serigraph process will usually include a limited smaller run, since any machine output can be any number of 'limited' prints....and is automatic. The Serigraph print will and can last for years. Since the Giclee printing or ink really has absolutely no history, except for the past years that machines have been in use(1990's) no one can really say what the outcome is in 100 years. Silk-screen/Serigraph prints and posters have a proven history since one can peruse original posters in any art museum in the world.... Therefore the value is in "Silk-Screen'