Is this pokemon diamond real or a knockoff? any and all help is

Pokémon Diamond (+box), DS - Fake or Real? It's hard to tell bc it's faded but I'm pretty sure under the imprinted text on the back of the cartridge it says, “ADAEN5J09”.

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REAL Pokemon Diamond compared to FAKE Pokemon Diamond: How to identify Fake Pokemon Games

Differences between fake vs real Nintendo DS games - General Collecting Discussion - Video Game Sage

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Differences between fake vs real Nintendo DS games - General Collecting Discussion - Video Game Sage

Pokemon: Diamond Version Nintendo DS NDS, 2007 Complete CIB Authentic + Tested

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Differences between fake vs real Nintendo DS games - General Collecting Discussion - Video Game Sage

Differences between fake vs real Nintendo DS games - General Collecting Discussion - Video Game Sage

Is this pokemon diamond real or a knockoff? any and all help is appreciated. : r/pokemon

REAL OR FAKE..?? (Pokémon Pearl) : r/gamecollecting

Pokémon Diamond Version Nintendo DS Video Game Cartridge (No Case) FULLY TESTED