Neil,
A quick follow up.
I spoke with Hugo at GAvA who was very helpful. The work in the brochure that he sent me is also breathtaking. Even worse, it was inspirational, so this could get very expensive. Not because the work is that costly (£400-500 can get you something fabulous and unique) but because the scope is infinite and commissioning could be addictive. Regretably (thankfully?) I missed this event.
GAvA - Guild of Aviation Artists
Although artists have to earn a crust and are in the strictest sense, commercial concerns, they are different from most other service providers in that they have niche offerings. Therefore, individually, they are unable to justify advertising costs. What they do though, is offer something unique. If other painters advertised, I might understand, but my initial question was genuine, not motivated by gain for anyone and what they do is integral to aviation.
And of course, Ebay links are allowed anyway.
Cheers Neil.
BBC NEWS | UK | Audio slideshow: War through an artist's eyes