An elongated coin is a coin that has been flattened or stretched, and embossed with a new design. Such coins are often used as commemorative or souvenir tokens, and it is common to find coin elongation machines in tourism hubs, such as museums, amusement parks, and natural or man-made landmarks.
An elongated coin
A 'penny press' at the Royal Armouries Museum in Leeds. This produces elongated coins from one new penny piece.
The first elongated coins were made by a die and metal rollers.
Using a common crank style penny squishing/elongation machine.
Numismatics is the study or collection of currency, including coins, tokens, paper money, medals and related objects.
Coin collectors and enthusiasts at an exhibition organized by the Numismatic Society of Calcutta, Kolkata, West Bengal
Alexander the Great memorial tetradrachm from the Temnos Mint c. 188–170 BC