The collection is expected to take in USD 1 million at auction, reported Los Angeles Times.
Members of the public can peruse items -- some of which date to Disneyland's opening day on July 17, 1955 -- at Van Eaton Galleries in Sherman Oaks.
"The breadth of this vintage collection and the rarity of the memorabilia are a true testament to the genius of Walt Disney," gallery founder and President Mike Van Eaton says in a statement.
The individual collection that includes costumes, employee badges, tickets and conceptual blueprints of the park has been amassed over 30 years. The collector lives in Southern California but has chosen to remain anonymous, according to the auction house.
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Among the big-ticket items that will be for sale are -original artwork of an early version of 'Tomorrowland' by Bruce Bushman with an estimated value of USD 50,000 to USD 70,000; a skeleton from the original 'Pirates of the Caribbean' ride, expected to fetch USD 60,000 to USD 90,000.
The auction will be held on February 28 with a second session on March 1.