Ghislaine Maxwell’s former Upper East Side mansion is back on the market.

Manhattan real estate mogul Frederick Rudd snagged the digs on East 65th Street from Maxwell for $15 million in 2016 – $4 million under asking price .

Rudd, 70, died last year of complications from heart disease, and the townhouse is on sale again for $17.75 million, The Post has learned. 4

The listing describes the luxurious five-story home , whose neighbors have included Bill Cosby and Rudy Giuliani, as a “stunning 1910 Beaux-Arts-style limestone and brick townhouse … situated on one of Manhattan’s most coveted tree-lined streets.”

It makes no mention of its past — though the agent insisted twice in the listing the pad is “fully renovated.”

The main floor of the 7,000-square-foot house boasts high

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