This is a Hornby R40155 1:76 OO Gauge model of BR Mk4 Coach number 12330, which was a TSOD, these coaches were basically a Tourist open second (TSO) with an accessible toilet. The coach shows that it is Coach F in the set.
Hornby R40151B LNER IC225 Mk4 Coach TSO 12431 Coach C OO Gauge BNIB
Hornby R40151 LNER IC225 Mk4 Coach TSO 12404 Coach D OO Gauge BNIB
Hornby R40192 LNER IC225 Mk4 Coach TSOE 12212 Coach B OO Gauge BNIB
Hornby R40155 OO Scale Era 11 Mk4 TSOD #12330 in LNER livery - boxed never used
Hornby R40149 LNER Mk4 FOD No.11312 OO IC225 Coach BNIB OO (g)
Hornby OO Gauge IC225 / Class 91 Bo-Bo Electric Locomotive Motor/Power Bogie #1