Big Ben Master

  • Green Marbled
  • Nib imprint: Warranted, 14CT, Osmiridium
  • Nib size: #5
  • Cap: postable, but not secure
  • Length, capped: 134.8 mm
  • Length, uncapped:116.5 mm
  • Barrel diameter: 12.5 mm (max)
  • Cap diameter: 14.0 mm (max)
  • Mass: 21.5 g (empty)

This pen has a nice semi-flex nib, and is not postable.


There are no indications of the brand, but I found the photo below on a Danish auction site that would indicate that the pen is a Big Ben (note the imprint on the clip on the auctioned pen). Another site lists a very similar pen (differing in the imprints on the clip and nib) for sale, listed as a “Big Ben Master”.

A photo of a Big Ben pen from another site. This certainly appears to be the same model – the only difference is the imprint on the clip.


There is a small, but noticeable dent in the cap band. There is also an irregularity on one edge of the nib, but the nib tip is unaffected.

The pen is engraved with the name “Jon Jacobsen” on the barrel


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