. "FIG. 14A is a plan view of an express document envelope 24 having label 33 printed directly on impressionable substrate 58 marked with a color urgency marking 51 code of green ink 49 on the information billboard segment 35 of document envelope 24. 180??? folds 180 are made along the perimeter of the top information billboard segment 35 when assembling envelope 24." . . .