Built as a royal hunting lodge in the early 18th century
Today, the Palace of Stupinigi houses the Museo di Arte e Ammobiliamento, a museum of the arts and furnishings, some original to the palazzina, others brought from the former Savoy family residences of Moncalieri and Venaria Reale
https://en.wikipedia.org/wiki/Palazzina_di_caccia_of_Stupinigi
Man, that really looks like a big
banjo. or guitar maybe.
Wired microphone