Swamp #55 from Jumpstart is a common card that currently sells for about $0.38 ungraded and around $1.00 at grade 7. A grade 7 copy sells for around $1.00, about 2.6× the $0.38 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
7
$1.00
2.6×
Raw (ungraded)
$0.38
1×
Worth grading? A grade 7 copy sells for around $1.00, about 2.6× the $0.38 raw price, so high-grade copies are worth grading.