1999.07.30 USA Rio Grande

July 30th, USPS issued the 40 cent Rio Grande definitive stamp in self-adhesive
pane of 20. The 40 cents postage is suit for air mail postage to Mexico
under the new rate system effective January 10, 1999. This stamp follows
the 48 cents Niagara Falls definitive stamp issued on May 12, serving as
the new air mail stamp series with a little plane image beside the denomination.
| Denomination & Type | 40-cent, Definitive |
| Format | Self-Adhesive Pane of 20 |
| Series | N/A |
| Issue Date & City | July 30, 1999, (nationwide/no ceremony) Milwaukee, WI 53203 |
| Photographer | Bruce Dale, Arlington, VA |
| Designer | Ethel Kessler, Bethesda, MD |
| Engraver | North American Roto Engravers Inc. |
| Art Director | Ethel Kessler, Bethesda, MD |
| Typographer | Ethel Kessler, Bethesda, MD |
| Modeler | Avery Dennison (AVR) |
| Manufacturing Process | Gravure |
| Printer | Avery Dennison (AVR) |
| Printed at | AVR, Clinton, SC |
| Press Type | Dia Nippon Kiko |
| Stamps per Pane/Coil | 20 |
| Print Quantity | 100.75 million stamps |
| Paper Type | Pre-phosphored Type II |
| Gum Type | Self-adhesive |
| Processed at | AVR, Clinton, SC |
| Colors | Yellow, Magenta, Cyan, Black, Silver |
| Stamp Orientation | Horizontal |
| Image Area (w x h) | 35.81 x 21.34 mm |
| Overall Size (w x h) | 39.62 x 25.15 mm |
| Plate Size | 200 stamps per revolution |
| Plate Numbers | "V" followed by 5 (five) single digits |
| Marginal Markings | "©USPS 1999" · Plate Position · .40 x 20 = $8.00 |