Innocenti belonged to BMC at one stage but they did also make cars in collaboration with other manufacturers, like the 186 GT they made with Ferrari.
This picture came from the book "Carrozeria Boneschi" by Sergio Puttini, published by Giorgio Nada.
It was a one-off prototype and below is the picture from that book, which I reproduce hoping Sr Puttini and Giorgio Nada will not object: