What really makes this Gold Doubloon Shipwreck pendant special (besides a Full 4 Digit Date) is that it great Luster and a well Centered Cross. Not to mention the Very Strong Strike! Full weight at 7.2 Grams total (coin is 6.6gm by itself). Struck from Bogota Colombia under Philip Vth reign, in the highest assigned grade 1 (by original Marine Biologist James Sinclair). Coin # PGC-821-004 as reflected on the COA. The 1715 Treasure Fleet was a Spanish Treasure Fleet returning from the New World to Spain.