My starting point was from two photos that depicted the vehicles of the Blues and Royals, this one:

which was included in the Osprey Scorpion book by Chris Foss and Simon Dunstan (and has some cracking nuggets of information) and positively identifies the Scorpion in the photo as 23A as is shown in this link to an except in Google Books
In addition I found another photo which also looks like it is 23A:

The kit is of course the AFV Club Scorpion and I used the Eduard Etch set plus the Fruilmodel tracks, plus figures and stowage accessories from Accurate Armour, heads from Hornet
So here goes:
I do like CRV(T)s
