The 7 Most Valuable Koki Yamaguchi Cards
The most valuable Koki Yamaguchi card is the 2021 Topps Chrome NPB Nippon Professional Koki Yamaguchi Orange #112 at $19.99 as of October 19, 2026.
By Ripbin Research · Updated 2026-10-19 · prices from live market data
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Affiliate — we may earn a commissionThe 7 most valuable Koki Yamaguchi cards in the Ripbin catalog (2021) carry a combined raw market value of $52.34, topped by a $19.99 card.
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