Dan I have to be honest with you if in good condition with the original buddy bottle & pump upwards of £500, most of these live in the USA, was an agent for this & the Firebird back in the 90s they did not take on so only few survive, when I did not get a reply I thought I heard the penny drop, Spitfire has the large silencer.
Good luck with her.
foxon.
i take my hat of to ya