Direct answer
No verified graded eBay sold listings are available for the 1966 Topps Juan Marichal #420 in the recorded 90-day sample. Without a sale, SluggerData does not state a market value.
No graded sales recorded for this card yet.
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As an eBay Partner Network Affiliate, I earn from qualifying purchases.
Recorded eBay sales.
No graded sales are present in the recorded sample.
No verified graded eBay sold listings are available for the 1966 Topps Juan Marichal #420 in the recorded 90-day sample. Without a sale, SluggerData does not state a market value.
SluggerData only publishes prices backed by real eBay sold listings in the recorded sample. This card is in the catalog but has no matching verified sales in the recorded sample, so no price is shown rather than an estimate. Prices appear here once sales are recorded.
Compare the likely raw value, grading fees, shipping, and the median for the grade you realistically expect. Grading is easier to justify when the expected graded value comfortably clears those costs.