14th October 2021 RAAF Buttons RAAF News, 1st November 1963 page 2. The black plastic RAAF buttons that were being superseded. The markmark is the symbol for A.C.I. Stokes, Melb. Anodised aluminium. RAAF News, 1st November 1964 page 3. For any comments or queries, please use the Contact page.