| Location | United States |
|---|---|
| Year | 1969 |
| Type | Token |
| Composition | Brass |
| Weight | 12.15 g |
| Diameter | 34 mm |
| Thickness | 1.8 mm |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Edge | Smooth |
| Period | |
| Notice | |
| Reference(s) |
| Obverse description | Map of San Francisco Bay showing location of the Trans-Bay Tube. |
|---|---|
| Obverse script | Latin |
| Obverse lettering | WORLD`S LONGEST UNDERWATER TRANSIT TUBE TRANS-BAY TUBE 5.6 MILES SAN FRANCISCO BAY KEY LINK IN THE SAN FRANCISCO BAY AREA RAPID TRANSIT SYSTEM SAN FRANCISCO / OAKLAND MD |
| Reverse description | Tube-lowering barge seen from below. |
| Reverse script | Latin |
| Reverse lettering | TRANS-BAY TUBE LAST SECTION LOWERED APRIL 3, 1969 |
| Mint | |
| Mintage | |
| Numisquare ID | 6206329460 |
| Comments |