..... when were they phased out?
Take a look at the end of course pics here. You should be able to pin it down to the month.
RAF Bridgnorth. 1,000 photographs of basic training at the RAF School of Recruit Training Bridgnorth
PS. Done it. In December 1949 there's a mix of forage and beret.
PPS. There's a mix in January 49 too. Needs some work.
