font
Mercury is a serif font. It goes well with Gotham, Whitney, Forza and Operator. If you're thinking about using Mercury then try 16px for headers. Give 17px a shot for content.
People commonly tag it as blog, design, writing, history, branding, classic, newspaper, serif, agency and magazine. You can get it from Fonts.com, MyFonts and Typography.com.
10 Mercury samples