I did a quick search since I am curious what my clubs (haven't been use in 6 years) are worth.
Not a pretty picture although the Callaway site has a lot of really good information:
https://www.callawaygolfpreowned.com/clearance/clearance-iron-sets/
2nd Swing as well:
https://www.2ndswing.com/callaway/
BTW, nice clubs!