A numismatic item produced from original dies at a later date; in the case of a coin usually not with a view to meeting monetary requirements but to fill a demand for a numismatic rarity.
Found on http://www.encyclo.co.uk/local/10143
A modern replica of previously issued coins. Governments and their mints can choose to restrike a previous issue rather than introduce new coinage. Found on https://www.encyclo.co.uk/local/21265