A question about these old Pikachu promos!

General Question
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1

I have a question, about labeling and grading holders that recognize these variants of this Pikachu. To save time I will number each card 1-4, from left to right as you can see the picture for their information. My question refers to # 3.

  1. Can be labeled as incorrect illustrator.
  2. Can be labeled as correct illustrator.
  3. I cannot seem to find which company grades and labels this one? This is my question.
  4. Can be labeled as gray star.

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2

This is how PSA would do it

CGC has it in the pop report under Pikachu (1996) Non-Glossy

https://www.cgccards.com/population-report/tcg/pokémon/2/promotional/839/unnumbered-promo/19465?populationID=520135

3

Thank you