Wander00 if you click on GlosMike's link (post #48) you will get to their site and there is a button to click for pricing. Guessing your T17 would come under their "straightforward" category, which would cost you £150, inc postage to the UK, but they are very prompt with replying to emails so I am sure they would give you an exact quote straight away.
Pontifex - what's the connection with the Comet - did you do a tour at Boscombe? If you have the 543 Valiant I'm sure they would do you a model of a youthful Pontifex to stand beside it to replicate a certain recruiting ad
