May be No.1 or No.2 etc. This item will be supplied just as we receive it from the MOD, which may mean it is without buttons, and the details may differ from that shown in the photo (insignia, etc.)
Q & A's
Q: Could I wear this as a casual jacket or is it only for uniform? A: You could certainly wear this as a smart casual jacket.
Q: Is this for the jacket only or does it include trousers too?
A: It is just the jacket.