Hibernia is the Latin name for the island of Ireland, and Voce Populi means voice of the people. These tokens were minted in Ireland and some made it to America where they were used to support commerce during early colonial times.
The coin in our picture is a reproduction, as evidenced by the faint COPY stamp on the Hibernia side. You can buy one at CoinReplicas.com for a few dollars.
Were it not a reproduction, Hibernia coinage is well-sought by collectors of US coins. Pristine examples of these coins can sell for tens of thousands of US dollars, but most coins are well worn and worth in the range of $50 to $250. There is an excellent page on these coins, with price estimates for different varieties, at the CoinAuctionsHelp web site.