W6 - now W8 - 1000 was the last of the W8 conversions. It is now at Preston.
The youtube coverage of the delivery by Brenden Schonfelder is at: https://www.youtube.com/watch?v=_ZAK_WKdddY
There are 12 W8s.
Numbers are: 856, 888, 925, 928, 946, 957, 959, 961, 981, 983, 1000 and 1010.