I just found this sub, and while I'm only a casual pen guy, this is my favourite pen of all time. Pentel RSVP BK90 Fine tip : r/pens

Pentel RSVP STYLUS Ballpoint Pen, Fine Line, Black

Pentel R.S.V.P. Ballpoint Pen, 0.7mm Fine Tip, Black Ink, Box of

Pentel RSVP STYLUS Ballpoint Pen, Medium Line, Black

Pentel RSVP Ballpoint Pen, (1.0mm) Med Line, Blue Ink

R.S.V.P.® Ballpoint Pen – Pentel of America, Ltd.

Pentel® R.S.V.P.® Ballpoint Pens, Fine Point, 0.7 mm

Pentel RSVP STYLUS Ballpoint Pen, Fine Line, Blue Ink

Pentel RSVP STYLUS Ballpoint Pen, Medium Line, Black

RSVP Mini Ballpoint Pen, (1.0mm) Medium Line, Black Ink – Pentel

Writes for almost a mile, Sturdy, well-balanced barrel makes this pen a favorite, No matter what size hand you have, the long barrel makes this pen

R.S.V.P.® Ballpoint Pen

Pentel R.S.V.P. Ballpoint Pen, Medium Line, Black Ink

Retractable pen writes for almost a mile Sturdy, well-balanced barrel makes this a favorite pen Durable stainless steel tip delivers a consistent line

Pentel RSVP RT Retractable Ballpoint Pen, 1.0mm Tip, Black Ink, Box of 12 (BK93-A)

Pentel R.S.V.P. Ballpoint Pen, Fine Line, Blue Ink, 2