2014 Panini Excalibur KABOOM JABARI PARKER RC #33 Bucks BGS 9.5 Gem Mint. This card has a total pop of 15 at Beckett with 9 graded Gem Mint and 2 graded higher. The total population across all the major grading companies is 18 with the only Gem Mint (or greater) copies at Beckett (none at PSA).