guess the ink!

[BCDDiggler]

kung te cheng

[Yazeh]

kung te cheng

That would be too easy, wouldn't it Sorry no!

[mizgeorge]

A very quick drop in before I take myself back to bed

Noodler's Hudson Blue
Edelstein Sapphire
Lamy Crystal Azurite (though I'm not seeing sheen)
Diamine Sapphire Blue

[Yazeh]

Have yourself a good night...
None of the above, I won't do, twice the same would I?

[DrPenfection]

Sailor Ultramarine
Sailor Nioi-Sumire
Diamine Imperial Blue
Monteverde Tanzanite

[DrPenfection]

Kobe #14 Maya Lapis Blue
Monteverde Sapphire
Akkerman Nassaus Blauw
Pilot Iro Ajisai

[DrPenfection]

DeAtramentis Document Blue
GvFC Cobalt Blue
Kaweco Royal Blue
Platinum Pigmented Blue

[DrPenfection]

Cat at Dawn
R&K Document Dark Blue
Aurora Blue
Pelikan 4001 Royal Blue
Monteverde Permanent Blue
Colorverse Cotton Blue

[Yazeh]

None of the above Dr. P....

[mizgeorge]

Taccia Ao
Herbin Myosotis
Akkerman Nassaus Blauw

[Yazeh]

Nope
It's on the purple spectrum

[DrPenfection]

J. Herbin Violette Pensee
Noodler's Polar Purple
Noodler's Polar Blue

[DrPenfection]

Monteverde Birthday Cake
Pennonia Mediterreaneo Flabelliina
Diamine Imperial Blue
Diamine Bilberry
Taccia Murasaki
Pilot Iro Murasaki shikubu

[DrPenfection]

Karkos Violet
Straits Pen Happy Accident
Diamine Amazing Amethyst
Monteverde Tanzanite
Monteverde Sapphire
Birmingham Provence Lavender

[DrPenfection]

Private Reserve Cosmic Cobalt
Diamine Iris
Sailor Colorado
Van Diemen's Twilight Mist
Wahl Everberry

[Yazeh]

None of the above. It's not Noodler's /and not an obscure brand...

[Yazeh]

Ink is not waterproof

[DrPenfection]

Waterman Tender Purple

[DrPenfection]

Sailor Ink Studio 343, 453, 743, 943
Sailor Ink Studio 350, 450, 650, 750, 940, 950

[DrPenfection]

Van Diemans Tasmani Vine Purple
Kobe #18
J. Herbin Eclat de Saphir
Robert Oster Bishop to King/ Go Go
Monteverde Mulberry Noir