Osram R63 LED Star 40W ES Bulb - Warm White | Robert Dyas
Osram 5.5W (60W) E27 Led R63 Spot Dim | Woodie's
Osram Star Classic A + LED R63 LED Reflector Lamp with E27 Screw Socket, 2700 K, 2.8 W, Warm White, 10.4 x 6.3 x 6.3 cm, Set of 2 : Amazon.co.uk: Lighting