Professor Sycamore #114 — PSA 10
Steam Siege · 2016
PSA 10 value
$150
PSA's estimate
PSA 9
$26.54
PriceCharting, 2026-10-09
Ungraded
$11.67
PriceCharting, 2026-10-09
Value by grade
| Grade | PSA population | Value | × ungraded | Source |
|---|---|---|---|---|
| PSA 10 | — | $150 | 12.9× | PSA's estimate |
| PSA 9 | — | $26.54 | 2.3× | PriceCharting, 2026-10-09 |
| Ungraded | — | $11.67 | 1.0× | PriceCharting, 2026-10-09 |
PSA 10 value over time
PriceCharting's PSA 10 price for this card, 2021-10-01 to 2026-09-01.
Recent PSA 10 sales
| Date | Price |
|---|---|
| 2026-08-26 | $150 |
| 2026-08-20 | $150 |
| 2026-07-16 | $170 |
| 2026-07-16 | $150 |
| 2026-06-29 | $154 |
| 2026-06-25 | $150 |
| 2026-06-02 | $175 |
| 2026-05-26 | $152 |
| 2026-05-14 | $150 |
| 2026-04-19 | $136 |
Recorded sales of this slab grade, as last read from PriceCharting.
Is it worth grading?
Grading pays off only if the chance of a 10 is high enough to cover the fee and the risk of a 9. Set your own numbers; the prices are filled in from this page.
