All that was left of Black Magic was a seat.
And presumably the data plate!
I understand that when John Pierce acquired the remains from Portugal in the late 1970s there were some parts of the airframe but much was subsequently lost in a fire a Chirk.
From the list on the Wikipedia page linked to by seacue, the Moncoupe (NC501W) might be a survivor, it's listed as a 145, while the exisitng aircraft being rebuilt is a 110. Same aeroplane?