Think of it as another rifle. What's a used Hawkins going for? I think the one piece Zoli repro is a sturdier rifle than those two piece stock Spanish guns that pass themselves off as "long rifles."
A re-enactor would have to consider if its accurate for the time or period he's protraying. A shooter on the other hand looks at the gun as a gun. Want a percussion round ball rifle? If yes, is the price right?
Vigilantibus et non dormientibus jura subveniunt. Molon Labe!