January 21, 2020, 05:15:09 pm
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(hex:AA) is a glitch item in Pokémon Yellow. It is an unterminated name glitch item.
When a 0x50 sub-tile appears early in the saved screen data, this glitch item may bring up Professor Oak's message that the item is unusable.
If there is no 0x50 sub-tile present in the saved screen data the game may freeze upon pressing A on the glitch item.