Mark McGwire [Refractor] #PB1 Price Guide
Baseball · Baseball Cards 1999 Topps Power Brokers
Mark McGwire [Refractor] #PB1 (Baseball Cards 1999 Topps Power Brokers) is currently worth $11.05 raw (near mint) and $270 in PSA 10 (as of Sep 4, 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 | $11.05 |
Graded — grade ladder
Swipe the table for the other grading companies →
Last updated 2026-09-04 · 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?
Strong grading candidate — 24× premium in PSA 10
A PSA 10 Mark McGwire [Refractor] #PB1 sells for $270 against $11.05 raw: a $259 spread, 24× the ungraded price. A PSA 9 ($28.50) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Full grading break-even for Mark McGwire [Refractor] #PB1: fee tiers, best grader, gem-rate math →
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
More from 1999 Topps Power Brokers
Full set checklist →![Barry Bonds [Refractor] #PB12 1999 Topps Power Brokers card](https://i.ebayimg.com/images/g/XE8AAeSwuIVqpBVn/s-l500.jpg)
![Ken Griffey Jr. [Refractor] #PB3 1999 Topps Power Brokers card](https://i.ebayimg.com/images/g/xsgAAeSwoi5qX5Dh/s-l500.jpg)

More Mark McGwire cards
All Mark McGwire cards →

![Mark McGwire [Mirror Gold] #20 1996 Select Certified card](https://i.ebayimg.com/images/g/k1MAAeSwEe9qgmqj/s-l500.jpg)
![Mark McGwire [Refractor] #92 1993 Finest card](https://i.ebayimg.com/images/g/m~gAAeSwizZqY4Bo/s-l500.jpg)


Best on iPhone & Android
Check your baseball card in the Midpoint app
Scan with your camera to measure centering to the millimeter, get an AI grade with corner and edge close-ups, see what your copy is worth, and track it in your portfolio. Free to start.
Price alert
Watching this card? Set a line and Midpoint tells you the day the market crosses it — waiting to buy the dip or sell the spike.
Mark McGwire [Refractor] #PB1 — frequently asked
How much is Mark McGwire [Refractor] #PB1 (Baseball Cards 1999 Topps Power Brokers) worth?
As of Sep 4, 2026, Mark McGwire [Refractor] #PB1 (Baseball Cards 1999 Topps Power Brokers): an ungraded near-mint copy sells for about $11.05, a PSA 10 sells for about $270, a PSA 9 for about $28.50. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Mark McGwire [Refractor] #PB1 worth?
As of Sep 4, 2026, a PSA 10 (Gem Mint) Mark McGwire [Refractor] #PB1 (Baseball Cards 1999 Topps Power Brokers) sells for about $270, compared with $11.05 for a raw near-mint copy.
Is Mark McGwire [Refractor] #PB1 worth grading?
A PSA 10 Mark McGwire [Refractor] #PB1 sells for $270 against $11.05 raw: a $259 spread, 24× the ungraded price. A PSA 9 ($28.50) only about breaks even after fees, so the case rests on gemming. 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.