It could be my favorite of my pens right now.
It has a Jowo #6 stainless steel nib .
Characteristics:
Material Body: Red acrylic (?) and black ebonite
Metals: NO
Cap: Screw on
Nib: Jowo nº6
Filling system: Universal converter or cartridge
Length (capped): 145 mm / 5.7"
Length (capped): 145 mm / 5.7"
Length (uncapped): 136 mm / 5,35"
Length (posted): NA Diameter (body): 13.5 mm to 12mm / 0,53" to 0.47"
Diameter (cap): 14.5mm / 0.57"