Cloth Seal, Cloth Worker's Personal Seal, Pictorial Device, Bird

Cloth Seal, Cloth Worker's Personal Seal, Pictorial Device, Bird, Image by StuE, Found by Nasher.
Found near Baldock, Hertfordshire, 22mm, 10.4g.

Bird standing facing left, letter above tail // blank

Most probably a cloth worker's personal seal with a bird and initials.