guess the ink!

[Yazeh]

Colorverse Project No. 006 Cotton Blue?
Jacques Herbin Bleu de Minuit? Emeraude de Chivor?
Scribo Blu Capri?
Colorverse 27 & 28 Extra Dimension & Warped Passages? Morning Star/Saturn V?

[mizgeorge]

PenBBS 382 Gentiana Acaulis
Kobe 73 History Blue
Colorverse Warped Passages

[mizgeorge]

Colorverse Crystal Planet
Montblanc Blue Hour / Around the world / Petrol Blue / Tolstoy (not sure how many of these are still commercially available)
KWZ Azure 2

[Yazeh]

Birmingham KINGFISHER /GUPPY/ Pitted Nickle/Sterling Silver/Damselfly/ Airline?

[Yazeh]

PenBBS #382 Gentiana Acaulis/ Zhan /Peacock Blue?

[Yazeh]

Papier Plume Calle Real?
Pennonia Kékek Kékje Blue of Blues
PenBBS #433 Su Wu? Winter Begins/Break?
Pennonia Danuvius Danube? Turkish Blue

[Yazeh]

Scribo Verde Mediterraneo?
Pennonia Csontváry-kék Csontváry's Blue?
PenBBS #221 Ink
Private Reserve Naples Blue/ Tropical Blue/ Lake Placid Blue
Stipula Calamo Deep Blue/ Light blue?

[Yazeh]

Monteverde Jungle Zebra Blue/ Hippo Dark Blue? Sweet Life Blue Velvet Cake?

[DrPenfection]

No to all of the above.

The brand has been named.

[Yazeh]

Monteverde D.C. Supershow Classic Blue 2020 Special Edition
Emotions Sweet blue?Monteverde ITF Ocean Noir/ Sapphire?

[Yazeh]

Monteverde Jungle Turtle?

[Yazeh]

Monteverde Ice cookie?

[DrPenfection]

No, none of the above. It is not a Monteverde ink.

[Yazeh]

Pennonia Méregzöld Poison Green?

[mizgeorge]

Sailor Manyo Yomogi / Kikyou
KWZ Meet me in St Louis
IWI Frost’s Descent

[mizgeorge]

Studio 941
Sailor California
Ku-Jaku

I think I may be heading too far towards teal now.

[DrPenfection]

No to all of the above.

mizgeorge, so far you have been the closest.

This is not a Japanese ink, nor a North American ink.

[Yazeh]

PenBBS #437 Yangzhou?
Inkebara - Sea Green/ Petrol Dark?

[DrPenfection]

ooohhhh so close . . . but no.

[Yazeh]

Come on @mizgeorge do a swoop