Wobbuffet #HGSS04 from HGSS Black Star Promos is a holo promo card that currently sells for about $5.14 ungraded, with graded copies ranging from $29.00 at grade 9 to $513 at grade 10. A grade 10 copy sells for around $513, about 100× the $5.14 raw price, so high-grade copies are worth grading.