1987 Classic Travel Update Mark McGwire Yellow Back #121
1987
See all Mark McGwire cards & values1987 seasonOakland AthleticsMark McGwire career & card values
Common
$1.75est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Card number
#121
Year
1987
Parallel / variant
Yellow Back
Price by month
Average price of the 1987 Classic Travel Update Mark McGwire Yellow Back #121 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
$1.75
Recorded low
$1.75
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $1.75 | — |
Mark McGwire prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.75 | Buy on eBay ↗ |
| PSA 7 | $4.00 | Buy on eBay ↗ |
| PSA 8 | $5.13 | Buy on eBay ↗ |
| PSA 9 | $25.74 | Buy on eBay ↗ |
| Grade 9.5 | $43.88 | Buy on eBay ↗ |
| PSA 10 | $104.87 | Buy on eBay ↗ |
| BGS 10 | $136.00 | Buy on eBay ↗ |
| CGC 10 | $63.00 | Buy on eBay ↗ |
| SGC 10 | $63.00 | Buy on eBay ↗ |
Other versions of this Mark McGwire card
2 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission1987 Classic Travel Update Mark McGwire Yellow Back #121 value & prices
The 1987 Classic Travel Update Mark McGwire Yellow Back #121 is a Baseball card (Yellow Back parallel) released in 1987. Ungraded copies carry a market value of about $1.75.
An ungraded copy is worth around $1.75, a PSA 9 around $25.74, a PSA 10 (Gem Mint) around $104.87 and a pristine BGS 10 around $136.00. That's roughly a 60× 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 $1.75 and top grades reaching $104.87, 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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Mark McGwire1987 Classic Travel Update1987Baseball cardsYellow BackPSA 10BGS 10card valueprice guide