File:OCSW Prototype.jpg
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![File:OCSW Prototype.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/d/dc/OCSW_Prototype.jpg/800px-OCSW_Prototype.jpg?20180324112948)
Size of this preview: 800 × 449 pixels. Other resolutions: 320 × 180 pixels | 640 × 360 pixels | 915 × 514 pixels.
Original file (915 × 514 pixels, file size: 162 KB, MIME type: image/jpeg)