Management system for game token coin

A management system for a game token coin, wherein one RFID tag having a data non-rewritable region and a data rewritable region is imparted to a game token coin,

• wherein the data non-rewritable region of the RFID tag is configured to store, as constant information, at least one of production information, product information, casino information, value information, and a serial number of the game token coin, and the data rewritable region is configured to store, as variable information, location relating information of the game token coin, wherein the variable information stored in the data rewritable region of an RFID tag is extractable from the constant information stored in the data non-rewritable region of the same RFID tag,
• wherein the system further includes:
• a writer configured to additionally write the location relating information of the game token coin in the data rewritable region,
• a reader configured to collectively read the constant information stored in the data non-rewritable region of a plurality of the game token coins and to read the location relating information stored in the data rewritable region that is paired with each of the constant information based on the read constant information, and
• a management controller configured to examine the location relating information obtained from the reader,
• wherein the data rewritable region stores information relating to a plurality of locations including at least latest location relating information of all sets of the location relating information written by the writer, and
• wherein the management controller includes a function that determines whether a history of the location relating information obtained from the reader has no abnormality, in which the management controller is configured to generate an error signal when an abnormality is found, and the management controller is configured to identify the constant information of a game token coin that is determined that an abnormality is found.