United States Postage Meter Stamp Catalog/Sub-group PD-B – Right-pointing outline arrow containing "POSTAGE DUE/PAID", barbs on pointed end

Sub-group PD-B: Right-pointing outline arrow containing "POSTAGE DUE/PAID", barbs on pointed end right|300px 3> 0018A8 Three meters were used between 1948 and 1952. Type PD-B-IA4A in 2001 edition right|510px right|550px right|510px PD-B1. Pitney Bowes "R" series, September 1948. Post Office Type PO-A6.2B with Postage Due slogan B. Three meters were used in a trial that lasted a little more than three years, from September 1948 to the end of January 1952: A. 8px156057 4px NEW YORK / N.Y. (used at GPO New York, September to October 1948)12px[RRR for favor tape, unknown on non-philatelic cover] B. 8px169333 4px SAN FRANCISCO / CALIF. (used at Rincon Annex, San Francisco CA from December 7, 1949 to January 30, 1952)12px[R for favor tape, RRRR on non-philatelic cover] C. 8px170592 4px SAN FRANCISCO / CALIF. (used at Main P.O., San Francisco CA from December 8, 1949 to January 31, 1952)12px[R for favor tape, RRRR on non-philatelic cover] V/F: 12px ≋ 00 :