| ID | 8643 |
| Thumbnail | |
| Cat Number | C86 |
| Variety | |
| Description | De Forest Audions |
| Series | Airmail |
| Denomination | 11ยข |
| Color | Multicolored |
| Separation Method | PF |
| Extent Perf Die Cut | |
| HPerf | 11.00 |
| VPerf | 10.50 |
| Tagging | Overall |
| Tagging Color | Orange |
| Paper Type | DF |
| Adhesive | WA |
| Gum Type | S |
| Format | S |
| EFO | |
| Watermark | unw. |
| Specialfeatures | tagging low in brightness & more orange in color; paper light gray under LW |
| Printing Type | Lithographed, Intaglio |
| Stamp Date | ---- |
| Printer Engraver | |
| Issue Year | 1972 |
| Image1 | |
| Issue Date | 8/17/1972 |
| Quantity Issued | |
| Visible | Yes |