This is a single colour (white) lamp (with spare bulb).
Bachmann 39-421C BR Mk1 POS Post Office Sorting Van Post Office Red (with Net) N
BRITISH RAILWAYS BARDIC LAMP 4 ASPECT, collectable lamp torch
Vintage British Railway Bardic Lamp Triple Colour Red Green Orange Signal Lamp
Vintage NRS BR Railways Bardic Lamp Triple Colour Red Green Orange Signal Lamp
British Rail Bardic Lamp, Plus Triple 1.5 V battery Conversion Kit
