Professor Sycamore #28 PSA 10 Price
$102.62
PSA 10 price history
Every grade, priced
| Grade | Market value | PSA population |
|---|---|---|
| PSA 10 (Gem Mint) | $102.62 | 12 |
| Grade 9.5 | $39.00 | — |
| PSA 9 (Mint) | $35.00 | 19 |
| BGS 10 | $133.00 | — |
| CGC 10 | $109.64 | — |
| Raw (ungraded) | $7.95 | — |
PSA has graded 33 copies of Professor Sycamore #28 in total — 36.4% came back Gem Mint. Full cross-company population lives on the card page.
Thinking of grading your copy?
The math is on the card page: live grading expected value from this card's real gem rate and PSA prices, minus fees. And before you submit anything, the grading guide covers the self-checks that separate 10 candidates from expensive 9s.
Professor Sycamore PSA 10 FAQ
How much is Professor Sycamore worth in PSA 10?
Professor Sycamore #28 from XY Promos (Japanese) is currently worth $102.62 in PSA 10 Gem Mint, based on graded sales data updated weekly. A raw copy trades around $7.95 — the PSA 10 carries a 12.9x premium.
How many PSA 10 copies of Professor Sycamore exist?
PSA has graded 33 copies, and 12 earned the Gem Mint 10 label — a 36.4% gem rate. Population grows over time as new copies are submitted.
Is Professor Sycamore worth grading?
Run the math, not the hope: grading costs roughly $20-25 per card, so a submission pays when the PSA 10 price times your realistic gem chance beats the raw price plus fees. This card gems at about 36.4%. The live grading expected value is computed on the main card page.
PSA 10 vs PSA 9 — how big is the difference for Professor Sycamore?
A PSA 10 is worth $102.62 against $35.00 for a PSA 9 — a 2.9x gap. That gap is why centering and surface checks before submitting matter more than anything else.