Yes, they do buy and sell coins and stamps.
Coin collectors will buy your coins.
Banks don't buy old coins, coin dealers will buy old coins, some jewelry stores will buy old coins, banks will take your old coins at face value and then sell them to coin dealers and and make some profit.
There are literally hundreds of websites online for buying gold coins, as well as commericals on TV. Smart money shops at an actual coin/stamp store. If you have one nearby check there first.
Coin Collector
Coin dealers will buy coins.
Coin collectors buy Commonwealth Games coins.
Coin dealers and jewelers are known to buy coins.
No, banks do not buy old coins. However, there are a lot of coin dealers and jewelry stores that will buy old coins. There are also private collectors of older coins who will purchase them too.
You can go back to levels to get coins or coin rush. I got most of my coins from coin rush levels you have to buy.
Most coin dealers buy coins
Find a coin dealer in your area. Most of them do buy coins.
You cant buy codes for coins only the book for codes.