![Mark McGwire [Home Run #70] #163 Baseball Cards 1999 Topps Opening Day trading card — raw and PSA graded price guide](https://i.ebayimg.com/images/g/5zYAAeSw9zVqSOsB/s-l1600.jpg)
Mark McGwire [Home Run #70] #163 Price Guide
Baseball · Baseball Cards 1999 Topps Opening Day · Released 1999
Mark McGwire [Home Run #70] #163 (Baseball Cards 1999 Topps Opening Day) is currently worth $4.99 raw (near mint) and $41.00 in PSA 10 (as of Jul 11, 2026). Values come from the PriceCharting price guide and are refreshed weekly. Grading is the single biggest value lever — check the raw-to-PSA-10 gap below, then scan your copy to see if its centering makes the grade.
Current prices
Raw (ungraded)
| Ungraded | $4.99 |
Graded — grade ladder
| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $41.00 | $25.00 | $53.00 | $25.00 | — |
| 9.5 | — | — | — | — | $37.00 |
| 9 | — | — | — | — | $34.03 |
Last updated 2026-07-11 · Source: the PriceCharting price guide
Shop this card on eBay ↗As an eBay Partner, Midpoint may earn commission from qualifying purchases.
Is it worth grading?
Worth grading — even a PSA 9 beats raw
A PSA 10 Mark McGwire [Home Run #70] #163 sells for $41.00 against $4.99 raw: a $36.01 spread, 8.2× the ungraded price. Even a PSA 9 ($34.03) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
More from 1999 Topps Opening Day
Full set checklist →
![Sammy Sosa [Home Run #66] #164 1999 Topps Opening Day card](https://i.ebayimg.com/images/g/liwAAeSwimlqazv7/s-l500.jpg)
More Mark McGwire cards
All Mark McGwire cards →
Price alert
Watching this card? Set a line and Midpoint emails you the day the market crosses it — waiting to buy the dip or sell the spike.
Mark McGwire [Home Run #70] #163 — frequently asked
How much is Mark McGwire [Home Run #70] #163 (Baseball Cards 1999 Topps Opening Day) worth?
As of Jul 11, 2026, Mark McGwire [Home Run #70] #163 (Baseball Cards 1999 Topps Opening Day): an ungraded near-mint copy sells for about $4.99, a PSA 10 sells for about $41.00, a PSA 9 for about $34.03. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Mark McGwire [Home Run #70] #163 worth?
As of Jul 11, 2026, a PSA 10 (Gem Mint) Mark McGwire [Home Run #70] #163 (Baseball Cards 1999 Topps Opening Day) sells for about $41.00, compared with $4.99 for a raw near-mint copy.
Is Mark McGwire [Home Run #70] #163 worth grading?
A PSA 10 Mark McGwire [Home Run #70] #163 sells for $41.00 against $4.99 raw: a $36.01 spread, 8.2× the ungraded price. Even a PSA 9 ($34.03) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Where do these Baseball card prices come from?
Prices are the PriceCharting price guide, refreshed weekly. Raw values reflect near-mint (NM) ungraded copies; graded values are per grading company and grade.
Is your baseball card centered well enough to grade?
Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.
Check my card free