The Invergordon Common Good Fund owns the bust, which was purchased in 1930 for about $6.35. Now, the historical bust could sell for $3.1 million.

A famed marble bust by French sculptor Edmé Bouchardon has gone through quite a journey since its carving in the early 18th century. Now, after changing hands several times over the years, it seemingly has found a new home—though it won't be going there for free.

It adorned a castle in the 19th century. It was purchased for just over $6 in a 1930 auction. And in 1998, it was used as a doorstop on a shed. Now, there could be another twist in the fate of the Bouchardon Bust,