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

Sub-group AR-AIR: Official Mail meter stamps used primarily for Air Force official business Some of these stamps are quite elusive but their actual rarity is not known. 1 blue Type OO-IC4, OO-A2.2 (part) in previous editions 3 OA-AIR1. "Pitney Bowes 5313", 1979. Corresponds to Type IC4.1 and OO-A2.2. Value figures with wide wavy-line triad at left and no symbol at right (does not print fractions of a cent). When printing dollar values a narrow wavy-line triad appears left of the dollar number. right|150px Meter numbers: 8px 3020000 series V/F: 12px16px .00 12px2 ≋1.00red 3 ♦ 12px0018A8 2 (range: 5px.01 to 9.99) red 3 ♦12px Stamps with dollar values show a small wavy-line triad at left of the dollar number. These stamps resemble Type OO-A2.1 stamps. They can be differentiated by the placement of the decimal and the right-most number. See close-up scans at right. a. Town mark reads:12px2 191970 AIR FORCE POSTAL SERVICE / 0909712px(3025265) 1 blue Type OO-KE1.1 or OO-C3.1 in 2001 edition 3 right|325px OA-AIR2 Singer "9232" (MV). Corresponds to Type KE1.1, OO-C3.1C. Value figures with wavy line triads at both sides. Triad type A at right. "U.S. POSTAGE" extends to the left of the penalty statement. The left side of the value box is under the second "F" in "OFFICIAL". Similar to OO-C1 types except the design includes only two stars which flank the meter number at the bottom. M# in 503000 and 504000 series. Wavy line triad type D at left. M# with "S" prefix V/F: 12px4 ≋.004 ≋ 12px(range: 5px.01 to 9.99)