United States Postage Meter Stamp Catalog/GROUP OA – Official Armed Forces government business mail franks/Sub-group OA-ARM: Stamps used primarily for Army official business


Sub-group AR-ARM: Official Mail meter stamps used primarily for Army official business edit

  • Some of these stamps are quite elusive but their actual rarity is not known.




Type OO-IE1, OO-A4 in 2001 edition

OA-ARM1. "6500" series.

Corresponds to Types IE1, OO-A4.
As previous OO-A types but the value box is much wider than tall.
A. Wavy lines at left in value figures, 2mm tall ()
B. Smaller wavy lines at left in value figures, 1mm tall () (2310000 and 6090000 series)
C. The lines of the value box are thicker than the town mark circle line. (2310000 and 6090000 series)  [RR]
Meter numbers: 2310000, 6000000, and 6250000 series
V/F:   0 .00  (range:  .001 to 99.999)


a. Town mark with U.S. ARMY at top, APO and 5-digit number at bottom