Pilot MR Retro Pop
Great value medium size fountain pen from Pilot that takes standard-size cartridges
(one blue cartridge supplied with each pen). Its steel nib (medium point) is a lovely smooth writer that, in common with most Japanese pens, produces a slightly finer line.
No converter is supplied so we recommend either the Pelikan standard-size converter or Schmidt K5.
Note that this model is sold outside Europe as the Metropolitan. This is the same pen but the Metropolitan uses proprietary Pilot cartridges and converters whereas the MR uses standard ("international") size cartridges and converters.