The 10 Most Valuable Grant Riller Cards
The most valuable Grant Riller card is the 2020-21 Panini Court Kings Base Set Grant Riller #128 at $2.50 as of October 4, 2026.
By Ripbin Research · Updated 2026-10-04 · prices from live market data
Shop Grant Riller cards on eBay
Affiliate — we may earn a commissionThe 10 most valuable Grant Riller cards in the Ripbin catalog (2020–2021) carry a combined raw market value of $15.55, topped by a $2.50 card.
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