"Mad Men" props to be auctioned off. TV featured

[wa2ise]

Originally Posted by Phil Nelson

Having purchased props (and sold a few) in the past, I wouldn't count on anything being more than a shell. Set designers care about outer appearance, period, and when a TV is portrayed as playing, the image is easily faked.

They might paint the CRT screen that blue color used by TV stations to paint the background behind the weatherman in the weather report. So the fake TV video can be chroma keyed in. I think they can do similar when they use film.