ISTR the changeover from metal to woven airmans SD Hat badges went pretty well.
I suppose we can add the T63 'smooth blue' to the list.
Can't have been over budget as we each bought our own. As for on time, we bought them when we were told to, usually for the next AOC's Parade, Coningsby 1957 in my case
They cost about £8 when a years clothing allowance was about £5.