Dashboard
PSA 10: Median of 3 sales, last 45 days · newest Oct 19, 2026 · checked Oct 27, 2026
PSA 9: Median of 4 PSA 9 sales in the last 90 days, latest 2026-10-18. Grade 9 guide (all graders): $42.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Computer Error (Promo #16) at $6.92 market price (TCGplayer market). Its Delta multiple is 43.4x.
A PSA 10 Computer Error (Promo #16) is currently shown at $300, the median of 3 PSA 10 sales in the last 45 days (newest Oct 19, 2026).
GemDelta records a 37.7% gem rate for Computer Error (Promo #16), with 757 PSA 10 copies out of 2,010 total PSA grades and a 43.4x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 19, 2026 | Pokemon WOTC Black Star Promo Computer Error #16 PSA 10 | $299.36 |
| Oct 19, 2026 | Computer Error #16 Black Star Promo PSA 10 GEM MINT FRESH CERT Pokemon TCG WOTC 16/53 | $318.92 |
| Oct 18, 2026 | PSA 10 GEM MT 2000 Pokemon Promo Computer Error Black Star #16 #16 | $300.00 |
| Aug 28, 2026 | 2000 Pokemon Promo Computer Error Black Star #16 PSA 10 GEM MT #16 | $225.00 |
| Jul 27, 2026 | 2000 Computer Error 16/53 (Rocket's Secret Machine) WOTC Pokemon Promo - PSA 10 16/53 | $204.94 |
| Jul 15, 2026 | 2000 Pokemon Promo Computer Error Black Star #16 PSA 10 #16 | $150.00 |
| Jun 15, 2026 | COMPUTER ERROR - PSA 10 - BLACK STAR PROMO 2000 VINTAGE POKEMON CARD | $144.00 |
| Jun 11, 2026 | COMPUTER ERROR - PSA 10 - BLACK STAR PROMO 2000 VINTAGE POKEMON CARD | $169.99 |
| Jun 6, 2026 | PSA 10 GEM MT 2000 Pokemon Promo Computer Error Black Star #16 #16 | $150.00 |
| May 29, 2026 | COMPUTER ERROR - PSA 10 - BLACK STAR PROMO 2000 VINTAGE POKEMON CARD | $169.99 |
| May 22, 2026 | COMPUTER ERROR - PSA 10 - BLACK STAR PROMO 2000 VINTAGE POKEMON CARD | $152.50 |