
Baseball set
2004 Upper Deck Diamond Collection Pro Sigs Checklist & Card Prices
Baseball20042 cards2 pricedUpper Deck Diamond Collection Pro Sigs
2004 Upper Deck Diamond Collection Pro Sigs (Baseball) has 2 cards in our price guide, 2 of them with live market values. The most valuable is Roy Halladay #31 at $77.82 in PSA 10 ($1.47 raw). Across the set, PSA 10 copies total $77.82 and raw copies $8.97.
- Cards
- 2
- With prices
- 2
- PSA 10 total
- $77.82
- Raw total
- $8.97
- Avg gem premium
- 53×
- Top card
- $77.82
Most valuable cards
The 2 highest-value cards in 2004 Upper Deck Diamond Collection Pro Sigs, ranked by PSA 10 price (best graded or raw where no PSA 10 sale exists).
Full checklist
All 2 cards we track from 2004 Upper Deck Diamond Collection Pro Sigs, with the latest raw and graded market values. Tap any card for its full price history.
| Card | Raw | PSA 9 | PSA 10 | CGC 10 | BGS 10 |
|---|---|---|---|---|---|
| Jim Thome [Gold] #40Jim Thome | $7.50 | — | — | — | — |
| Roy Halladay #31Roy Halladay | $1.47 | $19.95 | $77.82 | $47.00 | $101 |
Players in this set
All Baseball players →About this set
2004 Upper Deck Diamond Collection Pro Sigs is a Baseball set from 2004. Midpoint tracks 2 cards from it, 2 with market prices from recent sales and 1 with a PSA 10 value. The set's most valuable card is Roy Halladay #31 at $77.82 in PSA 10 ($1.47 raw). Priced raw copies add up to $8.97, and PSA 10 copies to $77.82. On average a PSA 10 sells for 53× the raw price across the set's graded cards.
Frequently asked questions
- How many cards are in 2004 Upper Deck Diamond Collection Pro Sigs?
- Our Baseball price guide lists 2 cards for 2004 Upper Deck Diamond Collection Pro Sigs, 2 of them with live market prices.
- What is the most valuable card in 2004 Upper Deck Diamond Collection Pro Sigs?
- The most valuable card in 2004 Upper Deck Diamond Collection Pro Sigs is Roy Halladay #31 at $77.82 in PSA 10 ($1.47 raw).
- Is Roy Halladay #31 worth grading?
- A PSA 10 Roy Halladay #31 sells for $77.82 vs $1.47 raw — a 53× premium. That gap is what makes grading a well-centered, clean copy worthwhile.
- When was 2004 Upper Deck Diamond Collection Pro Sigs released?
- 2004 Upper Deck Diamond Collection Pro Sigs was released in 2004.
More Baseball sets from 2004
All 2004 sets →


![Felix Hernandez [Refractor] #T144 card from 2004 Topps Chrome Traded](https://i.ebayimg.com/images/g/Y4wAAeSwTidqTGV5/s-l500.jpg)
![Yadier Molina [Blue Refractor] #301 card from 2004 Bowman Chrome](https://i.ebayimg.com/images/g/-i0AAeSwV~FqMIPT/s-l500.jpg)

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![Jim Thome [Gold] #40 2004 Upper Deck Diamond Collection Pro Sigs card](https://i.ebayimg.com/images/g/T9cAAeSw371pkFS7/s-l500.jpg)