Sequin (coin) who was prominently depicted on it, it was called the ', after the Zecca (mint) of Venice, since 1543 when Venice began minting a silver coin also called a ducat. The name of the mint ultimately derives from ("), meaning a coin mould or die. In some regions, in later centuries, this type of coins were stitched to women's clothing such as headdresses – this eventually led to the origin of the more modern word "sequins" to denote small shiny, circular decorations. Following the Venetian model, similar coins were used for centuries throughout the Mediterranean. After two hundred years of
Coining (mint) resulting in the coin's features being presented right side up when the coin is turned on a horizontal axis. This is called a "coin turn" alignment. Correct alignment for a "coin turn" is exactly 180 degrees; however due to realities of machine process, this can vary by a fraction of a degree. In rare cases, this deviation can be up to several degrees, and very easily noticeable. However, even very small deviations can establish the production run in which a coin was minted. When this is done, it is called a die marriage. Die marriage is particularly important with regards