The torso with part legs and arms was original sold at the 2010 Bonhams Auction, but is sadly missing a head.
Well, it just so happens a Tetrap head is also for sale - though this is a replica which may or may not have been displayed at exhibitions.
This costume is in excellent condition considering it is over 27 years old. It look like it is fresh from the set of Sylvester McCoy's debut story.
There are very few signs of degrading. The actual base of the costume is a one piece fabric body suit decorated in goat's fur.
The chest and stomach are made from foam latex. After much research I have discovered that this costume was for many years exhibited at the MOMI Doctor Who exhibition at London's South Bank, hence the superb quality. Good luck and thanks for bidding.