Mail matter. Correction of objectionable practices in addressing and preparing 2d-class matter for mailing; [issued by] 3d assistant Postmaster General.
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Mail matter. Correction of objectionable practices in addressing and preparing 2d-class matter for mailing; [issued by] 3d assistant Postmaster General.
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Mail matter. Correction of objectionable practices in addressing and preparing 2d-class matter for mailing; [issued by] 3d assistant Postmaster General.