Watercolour.
In the model’s right hand she was moulded holding an architect’s set square and a plumb line, of which I've only included the plumb line for clarity of image.
Below: The antique dealer's catalogue image of the bronze (it sold for £2.7m in 2019)..
A bronze figure by Antonio Susini c.1580-90 in Florence. Modelled after Giambologna’s original of 1565 titled “Allegory of Architecture”
