![Mr. Mime GX [Gym] #231/SM-P — Pokemon Japanese Promo](/_next/image?url=https%3A%2F%2Fstorage.googleapis.com%2Fimages.pricecharting.com%2F87a17da914156f967b710ce2ae8c8e50e7776054df68ba48828a351dbb9b28ac%2F1600.jpg&w=3840&q=75)
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2. Compare lower-grade outcomes3. Save your assumptionsConfirm edition, language and variant, inspect both sides, and check recent comparable sales. A model result is not a verified buy.
Pokemon Japanese Promo · #231 · Aug 1997
Should You Grade?
Low grading population — gem rates based on only 30 graded cards may be unreliable, and the market for this card in graded form may be illiquid. Only 18 sales per year — it may take time to find a buyer at full price. PSA 10 profit of $4.88 is thin — grading fees and selling costs eat most of the margin.
Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.
Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.
Compare the lower-grade reference prices below with your buy price, grading cost and selling fees. Shipping and tax reduce the result further. Missing prices do not establish a resale floor; a population gem rate is not your card's personal probability.
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Price history
Work through the sale alternative, grade risk and cost of tying up your money.
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Read the sample size and grade distribution before modeling a grading return.
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