gilt-edge

from The Collaborative International Dictionary of English v.0.48

Gilt-edge \Gilt"-edge`\, Gilt-edged \Gilt"-edged`\, a.
   1. Having a gilt edge; as, gilt-edged paper.
      [1913 Webster]

   2. Of the best quality; -- said of negotiable paper, etc.
      [Slang, U. S.]
      [1913 Webster]