Set
1975 ToppsCard number
#138
Year
1975
Howard Porter prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.74 | Buy on eBay ↗ |
| PSA 8 | $7.92 | Buy on eBay ↗ |
| PSA 9 | $68.94 | Buy on eBay ↗ |
| Grade 9.5 | $68.99 | Buy on eBay ↗ |
| PSA 10 | $211.56 | Buy on eBay ↗ |
| BGS 10 | $275.00 | Buy on eBay ↗ |
| CGC 10 | $127.00 | Buy on eBay ↗ |
| SGC 10 | $127.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1975 Topps Howard Porter #138 value & prices
The 1975 Topps Howard Porter #138 is a Basketball card released in 1975. Ungraded copies carry a market value of about $1.74.
An ungraded copy is worth around $1.74, a PSA 9 around $68.94, a PSA 10 (Gem Mint) around $211.56 and a pristine BGS 10 around $275.00. That's roughly a 122× 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 $1.74 and top grades reaching $211.56, 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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