As part of the review of the Mini-Train operation at Thirlmere, and investigating an increase of its use, it was realised that some of the rolling stock needed to be 'de-charactered' for the purposes of more general operations. The stored 'Isle of Sodor' Mail Vans were selected for modification to a more NSW Railways outline and colour scheme. This task was accepted by the Chullora volunteers, lead by Phil Giles and David Oram, who came up with the scope of work and a NSWGR o