Note an olde Fox — AGINCOVRT.
Reading edition
Page 21, l. 19. “An olde Fox.”—Sword, so called, it is said, from the figure of a fox anciently engraved upon the blade; or, as Nares suggests, from the name of some celebrated cutler. “Thou diest on point of fox” (Shakespeare, “Henry V.,” act iv., sc. 4).