Segno/marchio/insegna etc."Framed device of a death's head, hour-glass, scythe, etc., with Non plus. Above it a circle containing an indistinguishable object (? a skull). Below, W. B. in an oval. (α) As figured, with W. B. (β) Solid black disk at top. Initials below voided. The history of the device is obscure between this date and 1633. Passed to Augustine Mathewes, 1632-33. (γ) With A. M. roughly cut or scratched on the black disk at top. No initials below. Passed to Marmaduke Parsons c. 1635." – Marca tipografica[McKerrow Device No. 304]Image; Description