Not sure if this is well known but TWSBI commented that they will be making the 580 in Iris in their last post! : r/fountainpens
It's here! TWSBI Diamond 580 Iris is beautiful! : r/fountainpens
TWSBI Diamond 580 Fountain Pen In Iris, A Clear Demonstrator Body with Rainbow-colored Iridescent Trim and A Stainless Steel Nib - AliExpress
A tale of two Iris(es). TWSBI Vac 700R Iris and TWSBI Diamond 580 Iris. A quick photo comparison! : r/fountainpens
TWSBI Diamond 580 Fountain Pen - Iris - The Goulet Pen Company
TWSBI Diamond 580 Iris Fountain Pen – Fine Nib - Limited Edition | JetPens
TWSBI Diamond 580 Iris Fountain Pen – Extra Fine Nib - Limited Edition | JetPens
TWSBI Diamond 580 Iris Fountain Pen | TWSBI
TWSBI Diamond 580 Iris Fountain Pen – 1.1 mm Stub Nib - Limited Edition | JetPens
TWSBI Diamond 580 Fyllepenn Iris - LUSH DIVE AS
TWSBI Diamond 580 Iris Fountain
TWSBI Diamond 580 Iris Fountain Pen — The Gentleman Stationer
TWSBI Diamond 580 Fountain Pen - Iris – Flax Pen to Paper
TWSBI Diamond 580 Fountain Pen - Iris – Flax Pen to Paper
Rainbow Fountain Pen! TWSBI Iris Diamond 580 Review and Comparison - YouTube
TWSBI Diamond 580 Fountain Pen - Iris - Anderson Pens, Inc.
NEW PEN DAY: TWSBI Diamond 580 Iris (Medium) - YouTube
TWSBI Diamond 580 piston fountain pen IRIS | Mostwanted Pens
TWSBI Diamond 580 Fountain Pen - Iris – Flax Pen to Paper
TWSBI, Fountain Pen - DIAMOND 580 IRIS (Fine). : Amazon.in: Office Products
TWSBI Diamond 580 Iris Fountain Pen – Yoseka Stationery
TWSBI Diamond 580 Fountain Pen - Iris - The Goulet Pen Company
TWSBI Diamond 580 Iris Fountain Pen | TWSBI
TWSBI Diamond 580 Iris Fountain Pen – Reid Stationers
Twsbi Diamond 580 Fountain Pen in Iris – Flax Pen to Paper
