Sent you an email dude.
Anyhoo, doesn't matter if the Cocker is a 97, what is important is has it been serviced? Is it set up correctly? Will the seller let you try it out? That includes firing some paint through it.
I have seen some older cocker firing really fast, and above all cockers are damn accurate. (Well they are if you can shoot straight). Team mate has a 666 cocker, beleive it was prototype for predator cockers, many years old, but that thing is fast, accurate and still looks good today.
good luck with cocker, sent you some details on upgrades.