1983 Star Derek Harper #55
1983
See all Derek Harper cards & values1983 seasonIllinois Fighting Illini men's basketballDerek Harper career & card values
Derek Harper prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $256.00 | Buy on eBay ↗ |
| PSA 7 | $440.31 | Buy on eBay ↗ |
| PSA 8 | $749.00 | Buy on eBay ↗ |
| PSA 9 | $2,179.28 | Buy on eBay ↗ |
| Grade 9.5 | $3,758.67 | Buy on eBay ↗ |
| PSA 10 | $13,937.25 | Buy on eBay ↗ |
| BGS 10 | $18,118.00 | Buy on eBay ↗ |
| CGC 10 | $8,362.00 | Buy on eBay ↗ |
| SGC 10 | $8,362.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1983 Star Derek Harper #55 value & prices
The 1983 Star Derek Harper #55 is a Basketball card released in 1983. Ungraded copies carry a market value of about $256.00.
An ungraded copy is worth around $256.00, a PSA 9 around $2,179.28, a PSA 10 (Gem Mint) around $13,937.25, a pristine BGS 10 around $18 and118.00. That's roughly a 54× 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 $256.00 and top grades reaching $13,937.25, 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.
