1999 Topps Gallery Heritage Mark McGwire Proof #TH20
1999
See all Mark McGwire cards & values1999 seasonSt. Louis CardinalsMark McGwire career & card values
Uncommon
$16.57est. value (ungraded)
Prices updated 2026-10-26
Based on recorded sold prices how we price cards
Card number
#TH20
Year
1999
Parallel / variant
Proof
Mark McGwire price history
$16.57▲ 0.0%
Oct 25 · $16.57 low$16.57 high · Oct 26
Ungraded market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 1999 Topps Gallery Heritage Mark McGwire Proof #TH20 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
$16.57
Recorded low
$16.57
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $16.57 | — |
Mark McGwire prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $16.57 | Buy on eBay ↗ |
| PSA 9 | $13.50 | Buy on eBay ↗ |
| Grade 9.5 | $15.00 | Buy on eBay ↗ |
Other versions of this Mark McGwire card
1 version, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission1999 Topps Gallery Heritage Mark McGwire Proof #TH20 value & prices
The 1999 Topps Gallery Heritage Mark McGwire Proof #TH20 is a Baseball card (Proof parallel) released in 1999. Ungraded copies carry a market value of about $16.57.
An ungraded copy is worth around $16.57 and a PSA 9 around $13.50.
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