Judy Garland's blue-and-white pinafore from the beloved classic "The Wizard of Oz" is going up for auction, where it is expected to sell for more than a half a million dollars, auctioneers said on Monday.

The outfit, consisting of the gingham dress and white puffy-sleeved blouse, which Garland wore throughout the 1939 film, will be sold next month at Julien's Auctions in Beverly Hills, the auction house said in a statement.

Julien's estimated the outfit would sell for between $400,000 and $600,000, but similarly iconic Hollywood costumes have fetched many times the pre-sale expectations in recent years.

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