Queensland State Archives posted a photo:
From the Queensland Heritage Register.
The Treasury Building was erected in three stages between 1886 and 1928.
The site at the junction of the George and Queen Street axes had been reserved for government purposes from 1825, and was associated with the Treasury from the 1860s. It was occupied initially by convict-built officers’ quarters and military barracks. In 1864 the military moved from the site and the existing buildings were occupied by the Registrar-General, Treasury and Engineer of Harbours. In 1874 a single-storeyed building for the Registrar-General was erected on the corner of George and Queen Streets, anticipating a government re-development of what had become known as Treasury Square.
In 1883 the colonial government decided to construct new public offices on Treasury Square. A design competition, for a two-storeyed perimeter block to occupy the entire square, was won by Melbourne architects Grainger and D’Ebro, but their design was