Platinum Classic: Forest Black Ink teal ink It’s the pen you reach

It’s the pen you reach for when your workspace needs a little evening glow—even at 10 a

Platinum’s proprietary cartridges and converter (sold separately) keep ink handling tidy

the pen reads airy and modern

and enjoy the calm confidence of a setup that simply works

Platinum Classic: Forest Black Ink teal ink It’s the pen you reachForest black is a permanent dark green ink that darkens further as it dries. This ink is waterproof, lightfast, has a "dry" but consistent flow, and dries quickly. Platinum Forest Black is a modern iron gall ink, which means its permanent (and becomes even more permanent as it darkens with time). If you leave this to dry in cheap steel nibs, it may corrode them (iron gall inks are acidic), but its perfectly safe for normal use.