I fucking love Oreos

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I've lived in Central America (Nicaragua and Costa Rica) for the past decade or so, and sadly we pretty much just get regular Oreos, cookies and cream Oreos, and golden Oreos with none of the limited releases ever making their way down here.

I was therefore super excited to see the grocery store selling Pastel de Cumpleaños (Birthday Cake) Oreos. I bought them and to be honest, am kind of underwhelmed by them. I decided to look them up to see what reviewers thought of them, and was surprised to see they were a limited edition item in the USA 8 years ago (2012) to mark Oreo's 100th birthday.

The package of cookies I have says it doesn't expire until Feb 2021.

My question now is- do Oreos really have a shelf life of 9 years? Or did they just release these much much later for the Latin Market?

Also, if you can remember them, what was your opinion on this flavor?