On a recent on-line material hunt we checked out the Associated Press media website following up on a haunch press images of the event may be found. Almost immediately we stumbled over a video clip labeled as ‘Poland International Trial’ watching the clip the first bike to pass by was a Matchless and a quick check about enabled us to put riders numbers and bikes together using the 1958 programme so we are pretty certain this is the 1958 ISDT held in Garmish Partenkirchen, West Germany in 1958 you can see other video clips of the event in our video gallery.
1958 - West Germany
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We spotted the following riders in this clip
| # Plate Number | Name | Nation | Machine | CC |
| 226 | SR Wicken | GB | Matchless | 348 |
| 32 | Lars Olaf Hagmann | Sweden | Husqvarna | 175 |
| 36 | Klaus Kamper | West Germany | Maico | 175 |
| 43 | Zdenek Polanka | Czechoslovakia | CZ | 175 |
| 132 | Rudolf Waldemer Nystrom | Sweden | Monark | 248 |
| 94 | Josef Aufreiter | Austria | Puch | 173 |
| 157 | Albert W Glassbrook | GB | Greeves | 250 |
| 162 | TW Cheshire | GB | Royal Enfield | 248 |
| 222 | PT Stirland | GB | Royal Enfield | 346 |
| 40 | Arnost Zemen | Czechoslovakia | CZ | 175 |
| 213 | Gernot Leistner | West Germany | Zundapp | 262 |
| 217 | Volker von Zitsewitz | West Germany | Maico | 277 |
