Should You Grade Nidoqueen #12 from Base Set 2?
Free PSA grading EV calculator pre-loaded with live market data for Nidoqueen #12. Current PSA 10 gem rate is 0.9% based on 2,565 graded copies. PSA 10 sales average $698.83 vs a raw market of $19.12. Expected value of grading: $-27.17 (-30% ROI). Verdict: Sell raw.
Base Set 2 · #12 · Rare Holo
Default-tier verdict
Sell raw$-27 (-30% ROI)
Based on raw market $19.12, PSA 10 $698.83, gem rate 0.9% (2,565 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Nidoqueen #12 to PSA for grading. EV factors in real PSA population data (gem rates), live market prices for raw and graded copies, and PSA's tiered fee structure including upcharges when a card's graded value exceeds the tier's Max Insured Value. Adjust the inputs to match your card's exact condition for a personalized recommendation.
PSA population summary
| Grade | Population | Rate |
|---|---|---|
| PSA 10 | 23 | 0.9% |
| PSA 9 | 416 | 16.2% |
| PSA 8 | 796 | 31.0% |
| PSA 7 | 574 | 22.4% |
