| Location | United States |
|---|---|
| Year | 1972 |
| Type | Commemorative medal |
| Composition | Silver (.925) |
| Weight | 26.9 g |
| Diameter | 38.1 mm |
| Thickness | 2.1 mm |
| Shape | Round |
| Technique | Milled |
| Orientation | Coin alignment ↑↓ |
| Edge | |
| Period | |
| Notice | |
| Reference(s) | Franklin#NCS 100 |
| Obverse description | Two clipper ships racing. |
|---|---|
| Obverse script | Latin |
| Obverse lettering | SPEED ° UNDER ° SAIL ° JUNE 28TH 1853 SOVEREIGN OF THE SEAS NCS 1972 |
| Reverse description | Two clippers in the background. |
| Reverse script | Latin |
| Reverse lettering | ML ERA OF THE CLIPPER MCKAY`S LIGHTNING |
| Mintage | |
| Numisquare ID | 7477235580 |
| Comments |