The stand is only the box standard stand just painted the same blue as the frame, so you could get a standard one off Ebay and get it painted I guess.
The cover is unique to the Bostrom red/white/blue with 155 and his signature on also, but I would imagine you could order that from Ducati, you can order the graphics kit so I guess the cover should be available also. As for the plaque and box, well I don't know about that one, each one is unique and engraved with Engine/frame number and corresponding number on the yokes.
Also should have blue grips, forgot that one
Threaded Mode