The brightest and most unusual colors always get top dollar, along with unique designs typical of the period. I'll guesstimate it'll do $60-$70, but you never know what you'll get on eBay as we all know!
I bought a channel changer knob for my RCA CT-100 color TV on eBay, and was locked with another collector in a bidding war. And I won! Bet the guy never thought he'd see $102.50 for a channel knob!
