Swamp #257 from Dragons of Tarkir is a common card that currently sells for about $2.77 ungraded and around $50.00 at grade 10. A grade 10 copy sells for around $50.00, about 18× the $2.77 raw price, so high-grade copies are worth grading.
Price by Grade
Recent market prices for graded copies of Swamp
Grade
Market Price
vs Raw
💎 10
$50.00
18×
Raw (ungraded)
$2.77
1×
Worth grading? A grade 10 copy sells for around $50.00, about 18× the $2.77 raw price, so high-grade copies are worth grading.