Dashboard light switch bulb?

I have just replaced the LCD clock in my dashboard, I now can see the time Yay!
But………..
 When I was putting the dash back in I saw the bulb in the multi plug for the light switch was blown, it appears to come complete with its holder. What is this bulb called and where can i get one? Cheers.

I found one at a motor factors, I took the bulb in and they found one.
Yes it's a complete thing with the bulb and holder with electrical connections.

The light in the headlight switch is on all the time when the ignition on so I did find the bulb did blow again after a couple of years and still not around to fitting a new one as I can always seem to find the headlight switch in the dark.     

Bumping. Does anyone know of a VW part number or stockist?

321 919 039
N  0177512

does it look like any of these;
Replacement Dashboard & Panel Bulbs for Cars

edit - this one? https://www.autobulbsdirect.co.uk/r509tpbk-sg8-5.5d-panel-bulb-12v-1.2w-black.html

Wow, Thanks Early-1800 I think it's this one:
R509TPBK SG8-5.5D Panel Bulb 12V 1.2W Black

I shall check tomorrow. Many Thanks.

Part ordered and hopefully on its way on Tuesday. Happy days.