It is a Hornby R503 OO Gauge Signal Box. Here I have a signal box for sale.
HORNBY 00 GAUGE R503 SIGNAL BOX & STAIRS USED UNBOXED SEE IMAGES MODEL RAILWAY
HORNBY 00 Gauge R503 Signal Box With Stairs Unboxed See Images
Hornby 00 Gauge Track Collection Of Buildings R503, R504, R506 And R512 Boxed
Hornby OO Gauge R503 Distant Signals x 2
