. Greetings all posting my first impressions and later my first full review of the twsbi diamond 580 Extra fine nib. This pen awesome out of a box. I paid around 65 shipped from twsbi on eBay. The pen feels good and solid. Out of the box it inked up no troubles and was quite smooth needing no adjustments or smoothing. Put down a smooth wet line which surprised me being an Extra fine nib. Was not feedbacky or toothy! Including is a quick writing sample. I will post full details after a few days with the pen! God bless Mike
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