Heavyweight Champ

Sega Master System

Complete: $21
Sales: 2in 90 days

Variants

Region

Any NTSC PAL BR

Complete —no sales Sealed —no sales Loose $1331 sale Incomplete —no sales Graded CIB —no sales Graded —no sales

Market value

$133 $133.33one sale, Oct 29

Liquidity 20 of 100

1 sold in 90 days

No trend yet

sales since Oct 2026

Low confidence

1 sale, newest Oct 29 · few sales

Sales history

1 recorded loose sales of Heavyweight Champ, NTSC release, newest first
Sold	Listing		Region	Edition	Condition	Price	Feedback
Oct 29, 2026 sold in 2 months		Sega Master System JAMES BUSTER DOUGLAS KNOCKOUT BOXING Cartridge Oct 29, 2026NTSC · Standard	NTSC	Standard	Loose	~~$139~~ $133.33 eBay · Offer accepted

Photos

NTSC

Front

PAL

Front

Frequently asked

How much is Heavyweight Champ worth on the Sega Master System?

One loose cartridge has sold in NTSC (US, Canada), for $133.33 on October 29, 2026.

How quickly does Heavyweight Champ sell?

One copy sold in the last 90 days.

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.