The white cabinet and the control panel style says late 70's to me, 78-79? but that's just a guess.
I'd also guess it's actually a 25" set, they used to measure to the edge of the tube but laws were passed and they had to start going by viewable area, at least here in the U.S.
I've never seen one before, how far up north are you, Canada?
If you like it and it works then yes, it's worth getting, free is a good price!
