Unground gum sandarac. Once ground, dust the powder onto paper which is bleeding, or onto paint to be overwritten, to reduce chances of bleeding.
The Society of Scribes and Illuminators, based in the UK, is one of the most established and well-respected calligraphy societies in the world.
This website gives information about the Society, its aims, membership and activities.
Copyright 2016 The Society of Scribes and Illuminators. The Society is a non-profit organisation.