1984 Donruss Bill Madlock Diamond Kings Steel #20
1984
See all Bill Madlock cards & values$1.55est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 1984 Donruss Bill Madlock Diamond Kings Steel #20 each month, from 1 recorded price reading. Prices are re-checked regularly; a month's average counts each day from that month's first reading at the price that held that day.
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $1.55 | — |
Bill Madlock prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.55 | Buy on eBay ↗ |
| PSA 8 | $11.99 | Buy on eBay ↗ |
| PSA 9 | $14.00 | Buy on eBay ↗ |
| Grade 9.5 | $47.40 | Buy on eBay ↗ |
| PSA 10 | $59.99 | Buy on eBay ↗ |
| BGS 10 | $78.00 | Buy on eBay ↗ |
| CGC 10 | $36.00 | Buy on eBay ↗ |
| SGC 10 | $36.00 | Buy on eBay ↗ |
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Affiliate — we may earn a commission1984 Donruss Bill Madlock Diamond Kings Steel #20 value & prices
The 1984 Donruss Bill Madlock Diamond Kings Steel #20 is a Baseball card (Diamond Kings Steel parallel) released in 1984. Ungraded copies carry a market value of about $1.55.
An ungraded copy is worth around $1.55, a PSA 9 around $14.00, a PSA 10 (Gem Mint) around $59.99 and a pristine BGS 10 around $78.00. That's roughly a 39× premium for a gem-mint copy over raw — one of the clearest signals that condition-sensitive buyers dominate this card's market.
Is it worth grading?
With raw copies near $1.55 and top grades reaching $59.99, grading a sharp copy of this card can clearly pay for itself — the spread comfortably covers a typical ~$25.00 grading fee. The catch: only submit copies with strong centering, clean corners, and unmarked surfaces, because anything below a 9 usually erases the math.
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