Is it possible to get shiny Unown A-Z in Crystal VC game?

Question

For the 3Ds crystal, was there a change so that Unown A-Z can be shiny.

Answer 1

In Generation II, due to this method of calculating Unown's letter and the way that Shiny Pokémon are determined, a Shiny Unown can only exist in the shape of the letter I or V.

source

Comments

Like IV...
As in Individual Value, which Shinnies and Unknown’s lettering are...

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So this even exists in the VC?