| Obverse description | Two parallel horizontal grooves, having between them the TELAMAZON plank, coined in low relief. |
| Obverse lettering | TELAMAZON (Translation: Telecommunications of Amazonas) |
| Obverse script | Latin |
| Reverse description | Horizontal groove, with H underneath a diamond inside. |
| Reverse lettering | H |
| Reverse script | Latin |
| Mint | H Indústria Haga, Rio de Janeiro,Brazil |
| Mintage | ND
(1970-1997) - Port#254 No letters on reverse - ND (1970-1997) H - Port#255 Reverse lettering `H`; medal alignment - ND (1970-1997) H - Port#256 Reverse lettering `H`; Coin alignment - |
| Catalog ID | 8689853210 |
| Comments |