| Length: 3.50m (11ft 6ins) |
| Width: unknown |
| Weight: |
| Country: United Kingdom |
| Keel Type: Unknown |
| Rig Type: Gaff Una |
| Crew: 1 |
| Trapeze: none |
| Sail Area: sq. m |
| Spinnaker Type: No spinnaker |
| Spinnaker Area: 0 sq.m |
| Designer(s): |
| Design Year: 1920 |
| Builder: |
| Boats Built: |
A small single sail gaff rigged dinghy sailed at Walton and Frinton Yacht Club between the wars, Gems were built by Brooke & Halls (now Frank Halls and Son) at Walton. They were succeded by the larger Jewel in 1946.
| No class association known |
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