A list of coins and currency, hopefully with dates and regions. 1¢ euro coin A coin is usually a piece of hard material, generally metal and usually in the shape of a disc, which is used as a form of money. ...
Afghani - Afghanistan the new afghani (AFN) is currently used in Afghanistan and has been used since 2003. Before that, the old afghani (AFA) was used.
Qintar - Albania. The Qintar is currrently used in Albania. There are 100 qintar in a lek. Also spelled qindar or qindarkë, plural qintars, qindars or qindarka.
Some coins have coin orientation, where the coin must be flipped vertically to see the other side; other coins, such as British coins, have medallic orientation, where the coin must be flipped horizontally to see the other side.
Coins that are not round (British 50 pence for example) usually have an odd number of sides, with the edges rounded off.
Coins are popularly used as a sort of two-sided die; in order to choose between two options with a random possibility, one choice will be labeled "heads" and the other "tails," and a coin will be flipped or "tossed" to see whether the heads or tails side comes up on top.
Cognitive bias Cognitive bias is any of a wide range of observer effects identified in cognitive science, including very basic statistical and memory errors that are common to all human beings and drastically skew the reliability of anecdotal and legal evidence.
List of coats of arms of the districts in North Rhine-Westphalia
List of coats of arms of the districts in Rhineland-Palatinate