1984 Ralston Purina Ron Guidry #31
1984
See all Ron Guidry cards & values1984 seasonNew York YankeesRon Guidry career & card values
$1.48est. value (ungraded)
Prices updated 2026-10-26
Based on recorded sold prices how we price cards
Ron Guidry price history
PSA 10 market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 1984 Ralston Purina Ron Guidry #31 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 | $1.48 | — |
Ron Guidry prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.48 | Buy on eBay ↗ |
| PSA 9 | $7.99 | Buy on eBay ↗ |
| Grade 9.5 | $9.00 | Buy on eBay ↗ |
| PSA 10 | $27.28 | Buy on eBay ↗ |
| BGS 10 | $35.00 | Buy on eBay ↗ |
| CGC 10 | $11.00 | Buy on eBay ↗ |
| SGC 10 | $16.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1984 Ralston Purina Ron Guidry #31 value & prices
The 1984 Ralston Purina Ron Guidry #31 is a Baseball card released in 1984. Ungraded copies carry a market value of about $1.48.
An ungraded copy is worth around $1.48, a PSA 9 around $7.99, a PSA 10 (Gem Mint) around $27.28 and a pristine BGS 10 around $35.00. That's roughly a 18× 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?
The spread between raw ($1.48) and top-graded ($27.28) copies is fairly tight, so grading this card only makes financial sense for truly flawless copies — or for collectors who simply prefer slabbed cards for protection and display.
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