1999 SP Signature Autographs Mike Piazza #MP
1999
See all Mike Piazza cards & values1999 seasonNew York MetsMike Piazza career & card values
Epic
$126.74est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Card number
#MP
Year
1999
Price by month
Average price of the 1999 SP Signature Autographs Mike Piazza #MP 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.
Recorded high
$126.74
Recorded low
$126.74
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $126.74 | — |
Mike Piazza prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $126.74 | Buy on eBay ↗ |
| PSA 8 | $349.98 | Buy on eBay ↗ |
| Grade 9.5 | $130.00 | Buy on eBay ↗ |
| PSA 10 | $391.00 | Buy on eBay ↗ |
| BGS 10 | $508.00 | Buy on eBay ↗ |
| CGC 10 | $235.00 | Buy on eBay ↗ |
| SGC 10 | $235.00 | Buy on eBay ↗ |
Mike Piazza parallels
1 version, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission1999 SP Signature Autographs Mike Piazza #MP value & prices
The 1999 SP Signature Autographs Mike Piazza #MP is a Baseball card released in 1999. Ungraded copies carry a market value of about $126.74.
An ungraded copy is worth around $126.74, a PSA 10 (Gem Mint) around $391.00 and a pristine BGS 10 around $508.00. That's roughly a 3.1× 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 $126.74 and top grades reaching $391.00, 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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