OPUS Koloro Demonstrators

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      The OPUS 88 Koloro Demonstrator series is a dedicated eyedropper pen modelled with an acrylic body. The semi-transparent body also allows for ink to be seen swishing! 
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      Opus 88 Koloro Demonstrator (Clear) - Medium fountain pen with transparent acrylic body, visible ink reservoir, and black metal clip, featuring a #6 German nib.
      OPUS 88 Koloro Demonstrator (Clear) - Medium Fountain Pen
      Koloro Demonstrator (Clear) - Medium
      OPUS 88
      $180.00
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      Opus 88 Koloro Demonstrator (Clear) - Fine fountain pen with transparent acrylic body, revealing ink reservoir and filling mechanism, features a #6 German nib and includes an eyedropper tool.
      OPUS 88 Koloro Demonstrator (Clear) - Fine Fountain Pen
      Koloro Demonstrator (Clear) - Fine
      OPUS 88
      $180.00
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      Opus 88 Koloro Demonstrator (Clear) fountain pen, showing a clear acrylic body with black clip and broad #6 German nib, includes an eyedropper tool.
      OPUS 88 Koloro Demonstrator (Clear) - Broad Fountain Pen
      Koloro Demonstrator (Clear) - Broad
      OPUS 88
      $180.00
      #6 Nib Set - Medium: Metal OPUS 88 medium-point nib with plastic feed and threaded grip section, designed for Demonstrator and Omar fountain pens.
      #6 Nib Set - Medium
      OPUS 88
      $34.95
      #6 Nib Set - Fine features a steel nib stamped with OPUS 88 and F, mounted in black plastic, for Opus 88 Demonstrator/Omar pens.
      #6 Nib Set - Fine
      OPUS 88
      $34.95
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      OPUS 88 Colour Demonstrator - Medium Fountain Pen
      OPUS 88 Colour Demonstrator - Medium Fountain Pen
      Colour Demonstrator - Medium
      OPUS 88
      $180.00
      OPUS 88 #6 Nib Set - Broad Accessories
      #6 Nib Set - Broad
      OPUS 88
      $34.95
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      OPUS 88 Colour Demonstrator - Broad Fountain Pen
      OPUS 88 Colour Demonstrator - Broad Fountain Pen
      Colour Demonstrator - Broad
      OPUS 88
      $180.00
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      Transparent OPUS 88 Koloro Demonstrator (Clear) fountain pen with visible ink reservoir, black metal clip, and #6 German nib, featuring a piston-filling mechanism.
      OPUS 88 Koloro Demonstrator (Clear) - 1.5mm Fountain Pen
      Koloro Demonstrator (Clear) - 1.5mm
      OPUS 88
      $180.00
      OPUS 88 #6 Nib Set - 1.5mm Accessories
      #6 Nib Set - 1.5mm
      OPUS 88
      $34.95
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      OPUS 88 Koloro Demonstrator (Clear) - Flex Fine Fountain Pen
      OPUS 88 Koloro Demonstrator (Clear) - Flex Fine Fountain Pen
      Koloro Demonstrator (Clear) - Flex Fine
      OPUS 88
      $195.00
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      OPUS 88 Colour Demonstrator - Fine Fountain Pen
      OPUS 88 Colour Demonstrator - Fine Fountain Pen
      Colour Demonstrator - Fine
      OPUS 88
      $180.00
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      OPUS 88 Koloro Demonstrator (Grey) - Medium Fountain Pen
      Koloro Demonstrator (Grey) - Medium
      OPUS 88
      $170.00
      OPUS 88 #6 Nib Set - Extra Fine Accessories
      #6 Nib Set - Extra Fine
      OPUS 88
      $34.95
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      OPUS 88 Demonstrator (Yellow) - Fine Fountain Pen
      OPUS 88 Demonstrator (Yellow) - Fine Fountain Pen
      Demonstrator (Yellow) - Fine
      OPUS 88
      $170.00
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      OPUS 88 Demonstrator (Yellow) - Broad Fountain Pen
      OPUS 88 Demonstrator (Yellow) - Broad Fountain Pen
      Demonstrator (Yellow) - Broad
      OPUS 88
      $170.00
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      OPUS 88 Koloro Demonstrator (Grey) - Fine Fountain Pen
      Koloro Demonstrator (Grey) - Fine
      OPUS 88
      $170.00
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      OPUS 88 Demonstrator (Yellow) - Medium Fountain Pen
      OPUS 88 Demonstrator (Yellow) - Medium Fountain Pen
      Demonstrator (Yellow) - Medium
      OPUS 88
      $170.00
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      OPUS 88 Demonstrator (Yellow) - 1.5mm Fountain Pen
      OPUS 88 Demonstrator (Yellow) - 1.5mm Fountain Pen
      Demonstrator (Yellow) - 1.5mm
      OPUS 88
      $170.00
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      OPUS 88 Colour Demonstrator - 1.5mm Fountain Pen
      OPUS 88 Colour Demonstrator - 1.5mm Fountain Pen
      Colour Demonstrator - 1.5mm
      OPUS 88
      $180.00
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      OPUS 88 Koloro Demonstrator (Grey) - Broad Fountain Pen
      Koloro Demonstrator (Grey) - Broad
      OPUS 88
      $170.00