TTN ...
I think this might help ...
Originally Posted by AP1358
0703. Ceremonial Shoulder Boards. When in 1A SD, distinctive unranked ceremonial shoulder boards are worn by AVM and above and those officers assigned to the 1 Star posts of Comdt RAFC Cranwell, Air Officer Wales and Air Officer Scotland. When a greatcoat is worn with No 1A or No 5 SD, detachable gold ranked shoulder straps in Crombie material are worn.
AP1358 Chap 7-5/6 Section 0703
Image Credit : MOD RAF AP1358
Evidently not a very good colour match/reproduction in the AP by the looks of it
