TY - BOOK AU - Kelsey, Douglas TI - United States meter stamps: first days and earliest-known uses PY - 1996/// CY - Tucson, AZ PB - American First Day Cover Society KW - United States | Metered Mail | First Days | Postal History | Covers | Cachets | Postage Dues | Official Mail | Affixing Machines | Vending Machines | Vending Machine Franking Labels | Post Office Equipment | Autopost | Mailomat | Pitney Bowes, Inc. | Automatic Shipping Machines | Parcel Post | Mailing Facility (PPMF) | PPMF | Zipster Plus ER -