| ID | 10412 |
| Thumbnail | |
| Cat Number | 1558 |
| Variety | f1 |
| Description | Collective Bargaining |
| Series | Commemoratives 1970-75 |
| Denomination | 10ยข |
| Color | Multicolored |
| Separation Method | PF |
| Extent Perf Die Cut | 4 |
| HPerf | 11.00 |
| VPerf | 11.00 |
| Tagging | Overall |
| Tagging Color | |
| Paper Type | NF |
| Adhesive | WA |
| Gum Type | S |
| Format | S |
| EFO | F |
| Watermark | unw. |
| Specialfeatures | paper gray under LW; wide smearing of block tag |
| Printing Type | Photogravure (Andreotti Press) |
| Stamp Date | ---- |
| Printer Engraver | |
| Issue Year | 1975 |
| Image1 | |
| Issue Date | 3/13/1975 |
| Quantity Issued | |
| Visible | Yes |