I bought my 47012 off ebay too off the class 37 preservation group .. I only ever need the cheapest version as they just go in my display cabinet, 47148 had to make way
If anyone needs the all singing and dancing version in blue there's one on the bay.
https://www.ebay.co.uk/itm/373877029856?hash=item570ccebbe0:g:pEsAAOSwSFph7UgH