It is a Hornby Skaledale R8534 Signal Box. Here I have a model signal box for sale.
Hornby Skaledale R8534 Signal Tower - (see description)
HORNBY OO GAUGE SKALEDALE R8534 SIGNAL BOX UNUSED BOXED AS SHOWN
HORNBY OO GAUGE SKALEDALE - R8534 - SIGNAL BOX - BOXED
Hornby Skaledale R8534 OO Gauge Junction Signal Box Damaged
