Seville, Spain, cob 8 reales, Philip II, assayer Gothic D at 4 o'clock outside tressure on reverse, PCGS XF45. Cal-720. 27.08 grams. Bold full shield and cross with nearly full crown and legends (the word GRATIA particularly prominent), a bit silvery but with black sediment in crevices for contrast.
Estimate: 350 - 500 USD