mostly american, but i tend to go after other countries as i visit
for the pirate coin, i say get it appraised, check your area for coin collectors, i have no experience in that area, but that seems to be the way to go, escially if it is worth in the mid to high 3 figures
http://www.coin-newbies.com/FAQ/faqappraise.html
this is a little link that could help