Is it true that somebody in Crystal gives you an Egg that has a 50% chance of being Shiny?

Question

This is what I mean. The odd egg.

Comments

I'm not positive, but I thought that was just for Japanese games....

Answer 1

50% chance in japanese games. 14% in interational games. (unfair right?) :P

Source (From Mew)

Comments

Source?

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I looked it up on bulbapedia. I don't know how to put links.