| ID | 9138 |
| Thumbnail | |
| Cat Number | 2187a |
| Variety | f1 |
| Description | Claire Chennault, Aviator |
| Series | Great Americans |
| Denomination | 40ยข |
| Color | Dark (Bright) Blue |
| Separation Method | PF |
| Extent Perf Die Cut | 4 |
| HPerf | 11.00 |
| VPerf | 11.00 |
| Tagging | Solid |
| Tagging Color | |
| Paper Type | Dead |
| Adhesive | WA |
| Gum Type | D |
| Format | S |
| EFO | F |
| Watermark | unw. |
| Specialfeatures | bright vert. tagging line through face; P# 2 |
| Printing Type | engraved |
| Stamp Date | ---- |
| Printer Engraver | |
| Issue Year | 1990 |
| Image1 | |
| Issue Date | 9/6/1990 |
| Quantity Issued | |
| Visible | Yes |