Before 1965 in most cases. While error coins can be found on any coin from the earliest coins to the present, all other coins that are valuable were minted before 1965. Any dime, quarter, or half-dollar minted before 1965 was minted in 90% silver making it worth more than face based on that only, no matter how common the year was.
The old South African 50 cent coin, particularly valuable, is the 1965 minting. This coin is sought after by collectors due to its lower mintage and historical significance. Additionally, the 1980 50 cent coin is also valuable, especially if it is in uncirculated condition. Coins from these years can fetch higher prices in the numismatic market.
After the abolition of the Guilder, the new most valuable coin would be the 2 Euro coin
Put a picture of the coin!
Oh, dude, that's an easy one. The letter "R" can change a dirty old coin into something valuable by turning it into a "dime." Like, it's not rocket science, just a little wordplay magic. So, next time you find a dirty coin, just add an "R" and watch the value soar... or not.
Ram darbar coin
Value would depend on the denomination of the coin, it's condition and what country it is from. Any coin over 400 years old would have some value to it. Take it to a reputable coin dealer for identification and valuation.
Usually. A coin in Proof condition is almost always more valuable than the same coin in Uncirculated condition, but exceptions do exist.
This site might help you http://www.irishcoinage.com/CATALOG.HTM Paul
It's still worth 5 cents. It may be an old coin, but it's not rare or valuable.
Some coins have value to collectors, which can be tremendously more than the face value of the coin. Bear in mind that the condition of the coin is vitally important. Coins are not valuable merely for being old, although being old helps. If a coin is old, rare, and in good condition, then coin collectors will want it.
The most valuable coin in the world is the Flowing Hair Dollar. This coin was minted in 1794. This coin last sold in 2013 for just over ten million dollars.
Ancient Indian Coin is so rare and valuable because it's under in the antique items and Coin Collectors collect these coin and sell high price .