According to Answers.com, the Fisheries and Agriculture tokens were minted in New York by James Duncan, a hardware merchant, and were used in Prince Edward Island where coinage was in short supply. Looking at auction results, they are fairly common in low grades, but finding uncirculated examples is difficult. Catalog values are:
worn: $4 US dollars approximate catalog value
average circulated: $15
well preserved: $50
fully uncirculated: $350
Use our Terminology page to convert catalog values to actual buy and sell values.