No. They're all privately-made novelty items. In fact, the Mint uses dies that are "keyed" so a tails-side die cannot be put into the heads side of a press, precisely to prevent anyone from creating a real double-sided coin.
Please use this site's Search feature to look for the word DOUBLE and you'll find hundreds of similar questions. double-tailed quarter has been certified as a real mint error. See related link to the Coin World article.
They do exist.
A fjord is a real world example of a fjord! They exist in the real world.
Not if it is a modern coin. Modern coin minting equipment has the obverse (heads) and the reverse (Tails) dies "keyed" meaning that you can't insert an obverse die where the reverse die goes and vice versa. Because of it, it is impossible to have what most people think of a double headed coin. It is however possible to have what is known as a "Brockage" error where a coin gets stuck to the die and then the coin acts as a die for the next coin. This would mean that a coin could have 2 heads, but one side would be a reverse image of the other side.
The same as all other double-headed coins - nothing. It's a trick coin sold at novelty shops for a couple of bucks. It's not real and has no value to collectors.
I am sorry to say that Hobbits do not exist in the real world. So Hobbits cannot be mean in real life since they are not in real life.
There have been reports of mint errors that created a double-sided quarter but none have been verified. It's 99.99999% certain you have a magician's coin, which is a novelty item made by slicing 2 quarters in half and swapping sides.
It's not a real quarter. These were novelty items given out as promotional items.
No such coin is possible to exist. On modern mint equipment the obverse and reverse dies are "keyed" it is impossible to strike a coin using 2 reverse dies because the reverse die will not fit in both sides of the machinery. All 2 tailed quarters are privately made novelties worth only curiosity value.
It's just a video game enemy. -But the Tails Doll could be real! (Just Kidding.)
Many animals have tails, yes. They are real. Even dogs and cats have tails!
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No. His real name is Miles Prower, a play on the phrase "Miles per hour". Sonic and his friends nicknamed him "Tails".
If your asking about 1963 Double Headed Lincoln cents? No authentic mint errors exist.
Tails the Fox's real name is Miles Prower.
Some one probably has a pet fox named Tails but if you are talking about the video game Tails then I do not think he exists.
yes
If it is a phony...about $10.00. If is a real minted coin; auctions start bids off at about $10 to $20 thousand.