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100 Coins
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Knockout Kings

Knockout Kings

GBC
0.7xSales / Listing Ratio 25Annual Sales 36Active Listings
PriceCharting ↗ IGDB ↗
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Raw name Knockout Kings UPC 014633140637 ASIN B00002R12B eBay EPID 3955 Region NTSC_U

Knockout Kings GBC price & price history

The average CIB price for Knockout Kings (GBC) was $21.26 30 days ago and is $21.42 now — up $0.16. Real-market prices from eBay sold listings, updated daily — see the full price chart above.

Frequently asked questions

How much is Knockout Kings (GBC) worth?
Knockout Kings for GBC is worth $21.42 on average for a complete-in-box (CIB) copy, based on recent eBay sold listings.
Is Knockout Kings going up or down in price?
The price is trending up — it was $21.26 30 days ago and is $21.42 now, a $0.16 increase.
How does the 100 Coins price compare to PriceCharting?
PriceCharting publishes one price per condition for Knockout Kings on Game Boy Color. 100 Coins computes its own average from the individual eBay sold listings it tracks for this exact edition, weighted so recent sales count for more — which is why the two differ. Both numbers are shown on every condition card above.
Where does 100 Coins get its price data?
All prices on 100 Coins come from real eBay sold listings — actual completed transactions, not asking prices or estimates. Prices are updated daily.
Source Date Price Completeness Description
eBay 2026-05-26 $22.00 CIB Knockout Kings (Nintendo Game Boy Color, 1999) CIB Tested Works
eBay 2026-03-21 $35.99 Sealed Knockout Kings Nintendo Game Boy Color GBC 1999 New/Sealed
eBay 2026-03-20 $39.00 Sealed New Sealed Knockout Kings Nintendo Game Boy Color GBC 1999
eBay 2026-03-17 $6.00 Game Only Knockout Kings (Nintendo Gameboy Game Boy Color GBC) Cart Only Tested
eBay 2026-02-12 $4.00 Game Only Knockout Kings (Nintendo Gameboy Game Boy Color GBC) Cart Only
eBay 2026-02-11 $34.99 Sealed Knockout Kings (Nintendo Game Boy Color, 1999) H-Seam New Sealed
eBay 2026-01-29 $20.00 CIB Knockout Kings (Nintendo Game Boy Color, 1999) CIB Tested Works
eBay 2025-10-22 $34.99 Sealed Knockout Kings (Nintendo Game Boy Color, 1999) H-Seam New Sealed
eBay 2025-10-17 $25.19 Sealed Knockout Kings GBC Game Boy Color BRAND NEW & SEALED! NICE!
eBay 2025-09-08 $6.99 Game Only Knockout Kings (Nintendo Gameboy Game Boy Color GBC) Cart Only Tested
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