The Mennica Legacy Tower is a complex of two office buildings in Warsaw, Poland, located at 18 Prosta Street, in the neighbourhood of Mirów, within the district of Wola.

It was an joint investment of Golub GetHouse and the Mint of Poland, both of which now have offices in the building.

The skyscraper, which houses the headquaters of the mBank, has 32 storeys, and floor area of 50,750 m².

It includes a large lobby with a celling at 12 m. The lower office building, rented by company WeWork, has 9 storeys, and a floor area of 14,880 m².

Their design combines elements of modern, neomodern, and International Style, and includes a rounded glass-covered façade.