Stone cannonball from the Spanish Armada (1588). 1511 grams, 3-3/4" diameter. Brownish gray stone ball with white dots of pitting and encrustation, reportedly recovered from the Goodwin Sands, treacherous shoals in the Straits of Dover, site of naval action with the Spanish Armada.a. From the Spanish Armada (1588), with photo-certificate.
Estimate: 400 - 600 USD