Diamine Red Edition - Thunderbolt Steel Pen De Atramentis Document Yellow from

De Atramentis Document Yellow from the Document collection is a bright yellow ink with high water resistance

dark purple fountain pen ink with low shading and gold shimmer

bright red fountain pen ink  with low shading

Akkerman 21 ChinaTown Red from the Standard collection is a bright orange-leaning red ink with low shading

Super smooth

Diamine Red Edition - Thunderbolt Steel Pen De Atramentis Document Yellow fromDiamine Thunderbolt from the Red Collection (Inkvent 2021) is a medium royal blue with medium shading and medium copper sheen. It dries in 20 seconds in a medium nib on Rhodia and has an average flow. Diamine ink is made in the UK. Brand Diamine Ink Name Thunderbolt Country of Origin UK Color Blue Dry Time 20 seconds in a Pilot VP medium nib on Rhodia Flow Average Shading Medium Sheen Medium copper Shimmer No Limited Edition No Water Resistance Medium