unused 2c Carmine coil (388), an extraordinary pair, magnificently well-centered with wide to huge margins, remarkably fresh, bright and crisp, fresh bright color on very fresh paper, a gorgeous example of this very scarce and extremely difficult coil, extremely fine and remarkably choice, the left stamp in particular is an extraordinary 'gem', with 1992 P.F. certificate, Scott retail $1,600.00 photo est.