| 摘要 |
According to an embodiment of the present invention, a method for marking collectible items to increase their collectible uniqueness includes creating a multiplicity of unique date codes, each of the multiplicity of unique date codes including a representation of a calendar month and a representation of a day in the calendar month, randomly selecting one of the multiplicity of unique date codes, and affixing the randomly selected one of the multiplicity of unique date codes to a collectible item. According to other embodiments, a system with a computer and a marking device may apply a date code to a collectible item. According to yet other embodiments, a method for marking collectibles includes creating at least three hundred sixty-five collectibles in a time period shorter than a year, and marking each with a unique date code combination such that no two visually identical collectibles share the same date code. |
