This seal was originally identified by Paul Cannon, see BSG.CS.00981.
It is an inner disc from a four-disc alnage seal for Berkshire and most importantly provides the full name of the alnager previously only known by his initials T.D.
See MOL 88.427/20*
*See p.41, Elton, Cloth Seals: An Illustrated Guide to the Identification of Lead Seals Attached to Cloth, 2017.