A person would have to submit their coin to an authentication service. Then the service would prove if the coin is real or not and give a proof of authenticity if the coin was authentic.
The set of 1971 Jamaica proof coins can be purchased online for anywhere from $28 to $117. There are seven coins in the set.
Most do not. Gold coins can either be purchased from the US mint (if you want modern US bullion coins), reputable online sites such as APMEX, or your local coin and some jewelry stores.
Canadian gold coins can be bought on several websites. These websites include Gold and Silver Online, eBay, Blanchard, Gold Eagle Coins,MA-Shops Coin Mall, and eCrater.
Gold coins can be purchased online from the US mint, as well as potentially less reputable sources such as BullionByPost and USAGold. However these latter sites will come with some risk.
Coins can be won from the amulet or can be purchased in the shop.
Most do not. Gold coins can either be purchased from the US mint (if you want modern US bullion coins), reputable online sites such as APMEX, or your local coin and some jewelry stores.
The price of 1 oz gold coins varies depending on what dealer you wish to purchase from. The going price at the moment is around $150 to $160 for a single coin.
Bronze jewelry can be purchased online at sites such as Amazon, Etsy and Overstock. It can also be found in stores such as JCPenney, Macy's and Kay Jewelers.
FIFA coins are available at the Httpwwwff14mallcom website but I have not purchased them from that website.
Challenge coin manufacturers can be found online or you can ask at your local Chamber of Commerce as many coins are made by the military and community associations. These coins can also be found at flea markets and auctions if you are looking for special coins that have significant features.
One can find a wholesaler that sells silver coins online at a variety of websites. One can find a wholesaler that sells silver coins at websites such as Teeda, Monex Precious Metals, and Local.
You can purchase certified gold coins online from the SIlverTowne website. You can also purchase certified gold coins online from the JM Bullion website.