I don't suppose you could zoom in on the set only to see what one looks like?
nevermind i found a better pic from a old epay listing.
https://www.ebay.com/itm/1969-Zenith...-/150760093107
What is the chassis number for this set? Shango066 has a video of a 25cc50 set that looks very similar to this one.
https://www.youtube.com/watch?v=1QjH...&feature=share