It was. Sorry. My brain was as rusty as my own Canberra experience - which, coincidentally, dates back to 1979-82.
I was chatting to my Dad about Canberras, and find that between us we have the A1, B2, PR3, T4, B6, PR7, B(I)8, E15, T17, TT18 and T19 in our logbooks.