You did well! I've bought 2 Glenfield 25's which are (I believe) the newer version of the 80... And both of those were between $100 and $150. I recognize the Model 80 as they use the same magazine as my Glenfields! If yours shoots as well as both of mine do, you're in for a good time! Enjoy!
"No experience is so conductive for steady and accurate shooting as the knowledge of the impossibility to escape by speed."
-Sir Samuel Baker