YOU ARE BIDDING ON A POTOSI, BOLIVIA, COB 8 REALES. DATE 1630 HAS GOOD WEIGHT 27.16 GRAMS. 30 OF THE DATE VISIBLE.HAS GOOD PT ALSO. COMES WITH CERTIFICATE OF AUTHENTICITY FROM DANIEL SEDWICK.  COLLECTION FROM SEDWICK AUCTION 31. NO JUNK THIS IS A NICE COIN.   WILL SHIP WITH INSURANCE