The document is expected to fetch about $10,000 when it is auctioned off July 24.
"As the 50th anniversary approaches of Marilyn's Aug. 5, 1962 death, demand for her memorabilia continues to increase and so do the prices for it," said Margaret Barrett, director of entertainment and music memorabilia at Heritage, in a statement.
The check is dated Aug. 4, 1962, and was for $228.80. It was used to buy a white chest of drawers from Pilgrim's Furniture, said Barrett.
Monroe, star of "Some Like It Hot," "The Seven-Year Itch" and "The Misfits," was 36 when she died of a prescription drug overdose.
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