A fixed keel version of the Catalina 22 is a rare find indeed, and will sail slightly better than it's swing counterpart.
The condition looks excellent, but the price is (assuming it has a trailer) definitely high even given the condition.
I suspect though it's a perfect turn-key boat, and you won't likely find one that nice at that age (which isn't terribly old for a sailboat) easily again.
The stove likely wasn't EVER used. I can't think of a good reason except boiling water to use one, unless you overnight for quite a while, which you likely would not enjoy much on a 22 footer.
But the important stuff, sails, motor, rigging looks well maintained.
I love the improvement list though (LED lights, tiller tamer, tiller, new sails, VHF, motor redone)... Geesh I did all that stuff... mine must be worth 10k then! (HA, in my dreams, if I could get $2000 more than I bought it for I'd be doing well, and have only lost $3000 for my time).
An 1988 Cat 22 in good shape with motor and trailer would likely run between $4000-$6000, for the lower 48. I'd put that one in "excellent" shape at least from as much as we can glean from pictures.
As for a new Catalina 22 costing $19k? Try again. How about $28k? and without a motor.