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With a tag it's rare and could easily jew some Pokemon fan out of atleast $100.
They however were that uncommon. They're U.S. releases of Tomy plushies, that most fans don't even know existed in the U.S.
I have that Furret and a Sentret as well. They're apparent rarity seems due to the fact most kids not keeping they're Pokemon toys cause they grew out of it right about after gold and silver when the craze died down.
Hope that helps OP.