Prairie Stream #241 from Battle for Zendikar is a foil rare card that currently sells for about $1.19 ungraded, with graded copies ranging from $10.52 at grade 7 to $44.85 at grade 9.5. A grade 9.5 copy sells for around $44.85, about 38× the $1.19 raw price, so high-grade copies are worth grading.