ΔE 24.0, loose: different enough that you should pick on purpose. Aged Metal is noticeably lighter, much more muted than All That Glitters.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Aged Metal is noticeably lighter, much more muted than All That Glitters.
The same difference applies the other way round: All That Glitters is noticeably darker, much more saturated.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See All That Glitters on the colour wheel See Aged Metal on the colour wheel
All matches: All That Glitters equivalents · Aged Metal equivalents