# Mark McGwire #171 1990 Upper Deck Baseball — resale value

Source: JunkPal price guide — https://junkpal.ai/products/mark-mcgwire-171-baseball-cards-1990-upper-deck-sport

**Mark McGwire #171 1990 Upper Deck Baseball** is worth about **$1** ungraded, based on real closed eBay sales. Sealed or new examples sell for around **$19.99**.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/mark-mcgwire-171-baseball-cards-1990-upper-deck-sport

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Ungraded | $1 |
| Grade 9 | $13 |
| PSA 10 | $20 |

Values are medians of real closed eBay sales, updated 2026-07-22. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMark%2520McGwire%25201990%2520Upper%2520Deck%2520Baseball%2520card%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMark%2520McGwire%25201990%2520Upper%2520Deck%2520Baseball%2520card%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

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## Details

| Field | Value |
| --- | --- |
| Brand | Baseball |
| Set | 1990 Upper Deck Baseball |
| Number | #171 |

## Mark McGwire #171 1990 Upper Deck Baseball value

A raw (ungraded) Mark McGwire #171 runs around $1, a Grade 9 about $13, and a PSA 10 commands $20.

### What drives the price

Grade, centering, rookie/star status, set scarcity, and print run drive sports-card value. PSA/BGS gem-mint copies and rookies of stars carry the biggest premiums; raw commons sell for little.

## FAQ

**What is the starting resale value for this card?**

The ungraded version of the Mark McGwire #171 from the 1990 Upper Deck set starts at $1.

**How much is a PSA 10 copy of this card worth?**

A PSA 10 graded copy of the 1990 Upper Deck Mark McGwire #171 sells for $20.

**Is the condition of the card important for its price?**

Yes, the card's condition significantly impacts value, ranging from $1 ungraded to $20 for a PSA 10.

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Full price guide: https://junkpal.ai/products/mark-mcgwire-171-baseball-cards-1990-upper-deck-sport
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-22, based on real sold listings (junkpal.ai)"