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
Coin restrikes are coins struck in later times using the original die of coins that are no longer in circulation. The Austrian Mint restrikes originals of guilders, ducats and crowns, Maria Theresa thalers, and historic medals. All coin restrikes must be regulated by law.... Found on http://www.oenb.at/dictionary/termini.jsp?EINTRAG_ID=17367