Best McDonald's Collection 2018 Cards to Grade
The McDonald's Collection 2018 cards where grading adds the most — ranked by net profit from raw to PSA 10 after real grading costs, with each card's estimated gem rate and risk-adjusted return. Top pick: Slowpoke at +$141 best-case net.
| # | Card | Raw | PSA 10 | Cost | Net (best) | Risk-adj. |
|---|---|---|---|---|---|---|
| 1 | $12 | $225 | $72 | +$141 | −$55 | |
| 2 | $36 | $199 | $72 | +$91 | −$60 | |
| 3 | $22 | $116 | $71 | +$23 | −$63 |
Net (best) = PSA 10 value − raw value − grading cost (PSA fees as of 2026-06-28). Risk-adjusted weights every grade by its estimated likelihood from PSA population (cumulative and biased toward nicer copies — a guide, not a guarantee).