Serial #'s 71232070, 72140041. PCGS graded the coins and made them available as singles or in sets. 2001 wtc gold & silver eagle complete 3 coin set 1 of 1000 world trade center 1 of 190 6 coin set. The 1 of 150 being the scarcest. 2001 & 1999 American Eagle Gold & Silver set 1 of 1000 certified by PCGS.