So all of you know those production date codes (A0813, K1910, etc.) engraved at the bottom of the box of MFB beys used to idrntify mid fakes, right?

Should I be concerned that the majority of my burst ones don't have them at all?the only ones that do are Drain Fafnir and Bloody Longinus.

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My ace dragon dx set has the code d1719 on it.

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Sup Turtle
Leader of the Spryzenlightnings
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