58 covers beginning with 31 SCADTA covers with Canal Zone air post stamps used in conjunction with Columbia/Ecuador stamps, followed by 13 special delivery covers with the special delivery fee paid by regular United States stamps or special delivery issues, two 1919 ocean-to-ocean submarine Victory Loan covers, lastly a small number of official, naval, paquebot, and Byrd expedition covers, generally fine to very fine, an interesting group requiring a close inspection