Computer Error

Wizards Black Star Promos • #16

Rarity	Promo
Card type	Trainer
Subtype	Rocket's Secret Machine
Artist	Sumiyoshi Kizuki
Released	1999/07/01

TCGplayer Prices as of Jun 8, 2026

Normal

Near Mint	$5.73

Graded Card Prices

eBay sold listings by grade, last 90 days.

CGC 10

$33.50 ▼

$33.00 May 19
$99.95 May 15
$34.00 May 8

PSA 10

$95.70

$48.90 May 29
$142.50 May 25
$144.00 May 22

PSA 9

$26.35 ▲

$34.00 Jun 2
$39.99 May 31
$22.00 May 29

CGC 9

$9.75 ▲

$10.50 Apr 27
$54.99 Apr 16
$12.00 Apr 14

PSA 8

$21.25 ▼

$25.00 May 19
$26.00 Mar 19
$171.48 Nov 15

CGC 8

$18.49 ▲

$19.99 May 22
$20.00 May 2
$9.49 Apr 22

PSA 5

$21.99

$21.99 May 26

Raw

$15.00 ▼

$20.00 Jun 1
$49.99 May 29
$10.00 May 20

Data through Jun 2, 2026.

Price History

Price data from TCGplayer and eBay sold listings. Updated daily.

Grading Population

4,419 Total Graded

30.0% Gem Rate

1,326 Total Gems

4 Graders

PSA 1,977 graded

Grade 9: 823 Grade 10: 753 Gem rate: 38.1%

BECKETT 30 graded

Grade 9: 10

SGC 4 graded

Grade 9: 1 Grade 10: 1 Gem rate: 25.0%

CGC 2,408 graded

Grade 9: 524 Grade 10: 572 Gem rate: 23.8%

Population data updated May 5, 2026. Tracks PSA, Beckett, CGC, and SGC. Newer graders like TAG and ACE appear in sales data below but not in PSA-style population reports.

AI Price Prediction

Frequently Asked Questions

What is the current market price of Computer Error?

The current market price of Computer Error from Wizards Black Star Promos (1999) is $5.73, based on the latest TCGplayer sales data. Prices update daily and may fluctuate based on demand, condition, and recent sales activity.

What set is Computer Error from?

Computer Error in the Wizards Black Star Promos set, which was released in 1999. It is card number 16.

How rare is Computer Error?

Computer Error has a rarity classification of Promo. The card was illustrated by Sumiyoshi Kizuki.

How many copies of Computer Error have been graded?

A total of 4,419 copies of Computer Error have been graded across major grading companies (PSA, BGS, CGC, SGC). The overall gem rate (grade 10) is approximately 30%.

⚑ Report or Suggest