Compare — Pens

	P50 Asvine ×	P20 Asvine ×	P36 Asvine ×
Score	7.3high confidence	8.0high confidence	7.9high confidence
Reviews read by hand	7.3	8.0	7.8
Reddit sentiment	7.2	8.0	7.9
Typical price	$69	$38	$79
Price range	$55–$69	$38–$50	$62–$86
Collectors who log it	13	185	54
Mentions found	30	197	81
Filling	Piston	Piston	Piston
Nib	Bock	—	#6 nib · Bock
Nib widths	—	Extra Fine · Fine	—
Length capped	—	146 mm	145 mm
Diameter	—	—	15 mm
Weight	—	28.3 g	—
Materials	acrylic	stainless steel · acrylic · resin	titanium · acrylic
Homage to	—	—	Conid Bulkfiller Kingsize
Colourways	1	9	1
Stocked at	1	3	3
For	Bock nib option Piston filler Lighter than the metal-bodied models	Piston filler at a cartridge-pen price Reported to hold ink for weeks without hard starts Standard #6 nib unit takes JoWo Comfortable resin body, light in hand	Factory Bock nib option removes the QC lottery Titanium alloy body Piston fill, ~145mm capped
Against	Less distinctive than the V-series Thin review coverage	Trim and finish are plain next to the V-series Piston is not user-serviceable without the Asvine tool	Costs roughly double the P20 House-nib version gives up the main advantage

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Dimensions are mined from retailer listings — approximate. A dash means no source gave it, not that it is missing.