I also have a 760 in .35, although its not a carbine...I don't think they bring quite as much as the 7600 Carbines, simply due to the numbers.
Remington flooded the market in I think 1985 with the 760 in 35 Remingtons, I got like 20 off Ron Shirk in Lebanon, Pa as they were dirt cheap, but that was 30+ years ago.
couldnt find out what I paid for them, or remember, but sold them for $199.00 and it was the last year of production for the 760, 1987