United States Postage Meter Stamp Catalog/Sub-group PD-C – Right-pointing outline arrow containing "POSTAGE DUE/PAID", no barbs, lines thick on bottom

Sub-group PD-C: Right-pointing outline arrow containing "POSTAGE DUE/PAID", no barbs, lines thick on bottom right|500px 3 0018A8 Two variations of the slogan were used. - C1 - Text in arrow is upright - C2 - Text is inverted Twelve meters used in a trial conducted between 1951 and 1953. Type PD-C-IA4A-1 in 2001 edition right|510px right|510px right|585px PD-C1. Pitney Bowes "R" series, September 1951 to 1953. Post Office Type PO-A6.2A/B with Postage Due slogan C1. Nine meters were used in a trial that lasted about two years: A. Town mark reads: 8px"CHICAGO, ILL. / POST OFFICE" 8px 107635 12px[R for favor tape, RRRR on non-philatelic cover] B. Town mark reads: 8px"CHICAGO / P. O. / ILL." :12px[R for favor tape, RRR on non-philatelic cover] - 8px113043 - 8px122602 - 8px137873 - 8px170165 - 8px170977 - 8px178076 - 8px182741 C. Town mark reads: 8px"WASHINGTON / P. O. / D.C." : 8px 197917 4px (September 9 to October 1951)12px[RRR for favor tape, RRRR on non-philatelic cover] V/F: 12px ≋ 00 : NOTE: An unaddressed cover franked by meter 197917 (sub-type C) dated September 8, 1951 exists. It is a pre-introduction proof. Type PD-C-IA4A-2 in 2001 editionright|510px PD-C2. Pitney Bowes "R" series, September 1951. Post Office Type PO-A6.2B with Postage Due slogan C2. Three meters were used in a trial: A. 8px183205 4px CHICAGO / P. O. / ILL.12px(first used January 28, 1952)12px[RR] B. 8px197917 4px WASHINGTON / P. O. / D.C.12px(known used in September and October 1951)12px[RRRR] C. 8px198500 4px NEW YORK / P. O. / N.Y.12px(first used October 8, 1951)12px[RRRR] V/F: 12px ≋ 00 : NOTE: Nearly all examples known are favor proofs. Non-philatelic examples are extraordinarily rare.