Look chum...go to British Armed Forces And National Service site they have over 200 badges you can compare it to. The only Artillery badge similar is for the Honourable Artillery Company which is based in the City of London. You best bet is to start looking at the Fusiliers Badges. The patch behind it probably denotes a certain regiment
A WW2 Royal Artillery Assocation Benevolent Fund lapel badge. Styled on the Royal Artillery collar badge (often used as a cap badge during WW2) and made from bakerlite. Complete with pin and catch fitting to the reverse which is maker marked "Edward Brindley & Co Africa House London".Postage 48p 1st class or £1.18 1st class recorded. Have a look at "About Me" to see my views on buying and selling badges and militaria.
My wife and I would like to thank you all for your efforts in our research for her fathers war records..
Next is to find what battery he was in. We can't make out what colour ribbon is under the badge.