Pikachu #4 from Wizards Black Star Promos is a promo card that currently sells for about $22.98 ungraded, with graded copies ranging from $55.00 at grade 7 to $1,900 at grade 10. A grade 10 copy sells for around $1,900, about 83× the $22.98 raw price, so high-grade copies are worth grading.