A vair-bell is a single segment of the vair field. As a charge, it would appear to be unique to Society armory, and is no longer registered. The vair-bell is drawn in a stylized angular manner, with the point to chief. See also bell, helm (kettle).
Ivan Brasonic bears: Sable, a vair-bell inverted argent environed of eight plates in annulo.
Catherine of Greenfields bears: Vert, a vair-bell Or, overall a raven’s quill bendwise sinister proper.