Diamine registrar ink has been used for decades for signing important documents, from marriage certificates, to peace treaties. It's non-degradable qualities mean that it lasts so much longer than regular ink, and wont break down.
Diamine Ink Bottle 100ml - Registrar's Blue/Black
Diamine's specialist Registrar's ink in a 100ml plastic bottle container.
RRP $18.30 Save 13%