Barbie' fans driving up the price on an obscure Allan doll

Allan, who is played by Michael Cera in the movie, was introduced as Ken's friend in the '60s.

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Barbie' fans driving up the price on an obscure Allan doll

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Barbie' movie craze drives up bids on rare Allan doll

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Barbie' movie craze drives up bids on rare Allan doll

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