| 摘要 |
A collectible element suitable for use in an educational game having a plurality of collectible elements each having a frequency of occurrence related to the number of occurrences of the collectible element with respect to the number of occurrences of other collectible elements of the plurality of collectible elements is disclosed. The collectible element includes an indicia of the frequency of occurrence of the collectible element disposed upon the collectible element. The collectible elements can be cards and a player of a card game can obtain credit in accordance with the frequency of occurrence including in accordance with skill. Furthermore, the collectible element can set forth a character and a player of the game can obtain credit in accordance with skill in identifying the character. The frequency of occurrence of a collectible element is related to the amount of skill required to identify the character set forth on the collectible element. The character set forth on the collectible element is a real person, preferably a dead person. If the character set forth on the collectible element is a relatively famous person the frequency of occurrence of the collectible element is accordingly relatively high. If the character set forth on the collectible element is a relatively obscure person the frequency of occurrence of the collectible element is accordingly relatively low.
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