I bought my wife, fiancé at the time, a G22C for an engagement gift. (Yes, she also got a ring). I remember buying her factory 15 round pre-ban mags for $75 each. I also remember G17 mags going for $105.
Better deals at that time could be had on Beretta and Sig mags because there were a whole lot more in circulation at the time. Some people made out really well during the “dark ages”.