Grade Value Chart

Grade values are estimated using established market multipliers relative to the PSA 10 (Gem Mint) value. Modern cards (post-1985) follow steeper curves where PSA 10 commands the vast majority of value. Vintage cards (pre-1985) retain more value in lower grades because condition-scarce copies are rarer. The multipliers are derived from historical eBay sold data and auction results.

The sweet spot is the grade that gives you the highest return on investment (ROI) after factoring in grading costs. For most modern cards, this is PSA 9 — it offers 35-50% of the PSA 10 value at a much higher probability of achieving. For high-value cards, PSA 10 is the sweet spot because the premium justifies the grading difficulty.

The PSA 9-to-10 multiplier is the single biggest value jump in the entire grading scale — typically a 2-3x increase. This is because PSA 10 represents the absolute pinnacle of card condition (perfect centering, corners, edges, and surface) and the population of PSA 10s is much lower than PSA 9s. Collectors pay a premium for the "perfect" grade.

Grade your card if the PSA 10 value is at least 4x the grading cost. For example, if grading costs $25, the PSA 10 value should be $100+ to justify the expense. Use the ROI column in the chart — any grade showing positive ROI means the graded value exceeds the raw value plus grading costs.

Yes. Vintage cards (pre-1985) hold proportionally more value in lower grades because condition-scarce copies are rare — a 1952 Topps Mantle in PSA 5 is still incredibly valuable. Modern cards (post-1985) have much steeper curves because millions of copies exist in high grades, making only PSA 9-10 significantly valuable.