J.J. & Jeff

TurboGrafx-16

Region: JP
Complete: $56
Sales in 90 days: 1in 90 days

Region: NTSC
Complete: $45
Sales in 90 days: 4in 90 days

Variants

Region

Any NTSC JP

Complete $561 sale Sealed —no sales Loose $19–$253 sales Incomplete —no sales Graded CIB —no sales Graded —no sales

Market value

$19–$25 typical$24.893 sales in 90 days

$19 $25

Liquidity 28 of 100

3 sold in 90 days · sells in about 2 months · around 10 listed now

Medium confidence

3 sales, newest Oct 17 · few sales

Sales history

3 recorded loose sales of J.J. & Jeff, Japan release, newest first
Sold		Region	Edition	Condition	Price
Oct 17, 2026 sold in 13 days	Kato-chan Ken-chan (J.J. & Jeff) (PC Engine TurboGrafx-16 ,1987) from japan Oct 17, 2026Japan · Standard	Japan	Standard	Loose	$18.60 eBay
Oct 11, 2026 sold in 2 months	Japanese Kato-chan Ken-chan PC Engine HuCard Japan import card only US Seller Oct 11, 2026Japan · Standard	Japan	Standard	Loose	$24.98 eBay
Oct 10, 2026 sold after a year	Kato-chan Ken-chan PC Engine HuCard Japan import card only US Seller Oct 10, 2026Japan · Standard	Japan	Standard	Loose	$24.99 eBay

Photos

NTSC

Front

Frequently asked

How much is J.J. & Jeff worth on the TurboGrafx-16?

One complete copy has sold in Japan, for $55.92 on October 10, 2026. A loose card sells for $19 to $25.

How quickly does J.J. & Jeff sell?

Three copies sold in the last 90 days. The cheapest listings take about 2 months to sell, and around 10 are listed right now.

How is sales data gathered?

We retrieve listing information through eBay alerts and Vinted alerts provided by GrailHound and apply image recognition and text processing to link marketplace listings to games.