There are a few good ones below. CoinFacts doesn't give prices but you can use it as a guide to help identify coins whose prices are listed at the others. My experience has been that Numismedia's prices are a bit more conservative than PCGS, so I tend to rely on them more.
The easiest way would be to first identify what type of coin/bill it is and then go on auction sites like Ebay and see how much examples of your year/type/condition is going for.
You can go to a bank or cash money
It is worth a modern value in Chinese currency.
5 cent
The best and easiest way to know the worth of coin is to take the coin to a dealer. Do not let them know you are selling the coins. Have it appraised. Try with different dealers and get the average value. Also try online. There are a couple of websites which can identify the coins worth. Next is to grade it. Also check for mint marks. Hope this helps.
The coin (KM#205) sell for around $1 on auction sites, perhaps a little more depending on the condition.
A 1956 Colombia 20 Centavos L Coin is worth about $3. You can find some of the coins on auction websites or you can also find the coins from coin pawn shops and coin dealers.
How much a 1974 cein peso is worth will depend on the condition of the coin and the supply and demand for it. The best way to find out the value is to have it appraised by a coin dealer.
The easiest way would be to first identify what type of coin/bill it is and then go on auction sites like Ebay and see how much examples of your year/type/condition is going for.
Try on line auction sites
How much is this coin worth
it is worth $120 per coin
You can go to a bank or cash money
What you presumably have is a James Buchanan presidential dollar coin. It was minted in 2010 and is worth one dollar.
Common -- you can find in a coin dealer's foreign bin for 20 cents or less.
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