Mail matter. Ascertainment of cost of handling and transporting the several classes of mail matter and conducting special services: Instruction letter P-C-w [May 1, 1924], Parcel post, record of revenues for 14-day statistical period, also weight and count of pieces of 4th-class (parcel post) mails by subclasses.
Publication Title:
Mail matter. Ascertainment of cost of handling and transporting the several classes of mail matter and conducting special services: Instruction letter P-C-w [May 1, 1924], Parcel post, record of revenues for 14-day statistical period, also weight and count of pieces of 4th-class (parcel post) mails by subclasses.
Display Title:
Mail matter. Ascertainment of cost of handling and transporting the several classes of mail matter and conducting special services: Instruction letter P-C-w [May 1, 1924], Parcel post, record of revenues for 14-day statistical period, also weight and count of pieces of 4th-class (parcel post) mails by subclasses.