Compare — Pens

	P20 Asvine ×	P36 Asvine ×	P30 Asvine ×
Score	8.0high confidence	7.9high confidence	6.7medium confidence
Reviews read by hand	8.0	7.8	7.2
Reddit sentiment	8.0	7.9	6.0
Typical price	$38	$79	$49
Price range	$38–$50	$62–$86	$49–$55
Collectors who log it	185	54	19
Mentions found	197	81	18
Filling	Piston	Piston	Piston
Nib	—	#6 nib · Bock	—
Nib widths	Extra Fine · Fine	—	—
Length capped	146 mm	145 mm	—
Diameter	—	15 mm	—
Weight	28.3 g	—	—
Materials	stainless steel · acrylic · resin	titanium · acrylic	brass · resin
Homage to	—	Conid Bulkfiller Kingsize	—
Colourways	9	1	1
Stocked at	3	3	2
For	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	Solid brass gives it real presence and it patinas Piston filling Retro proportions
Against	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	Heavy — a wrist-tiring pen for long writing Brass tarnishes if you'd rather it didn't

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