Mail matter. Ascertainment of cost of handling and transporting the several classes of mail matter and conducting special services: Instruction letter R [Aug. 1, 19231, Report of revenues represented by stamps affixed to Railway Mail Service drop mails and railroad station letter-box collections for 30 days at specially designated post offices, Sept. 21-Oct. 20, 1923.
Publication Title:
Mail matter. Ascertainment of cost of handling and transporting the several classes of mail matter and conducting special services: Instruction letter R [Aug. 1, 19231, Report of revenues represented by stamps affixed to Railway Mail Service drop mails and railroad station letter-box collections for 30 days at specially designated post offices, Sept. 21-Oct. 20, 1923.
Display Title:
Mail matter. Ascertainment of cost of handling and transporting the several classes of mail matter and conducting special services: Instruction letter R [Aug. 1, 19231, Report of revenues represented by stamps affixed to Railway Mail Service drop mails and railroad station letter-box collections for 30 days at specially designated post offices, Sept. 21-Oct. 20, 1923.