
Mariano Duncan Cards — Price Guide & Checklist
17 cards · 17 sets · 1985–1997
Midpoint tracks 17 Mariano Duncan baseball cards across 17 sets (1985–1997), 17 of them with live raw and graded market values. The most valuable is Mariano Duncan #13 at $2,601 in PSA 10. Prices come from real market sales and are refreshed daily.
- Cards
- 17
- Sets
- 17
- Priced
- 17
- Top card (PSA 10)
- $2,601
- Raw total
- $27.11
Most valuable Mariano Duncan cards






![Mariano Duncan [Gold] #30T 1992 Topps Traded card](https://i.ebayimg.com/images/g/29QAAOSwpJRmNEiz/s-l500.jpg)

Cards by year
Every tracked Mariano Duncan card grouped by set year, newest first — most valuable at the top of each year.
19971 card
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan #311 | 1997 Leaf | $0.53 | — | — |
19961 card
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan #U58 | 1996 Fleer Update | $1.50 | — | — |
19942 cards
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan #4 | 1994 Leaf Limited Gold All Stars | $2.98 | — | — |
| Mariano Duncan #172 | 1994 Donruss Triple Play | $0.25 | — | — |
19931 card
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan #276 | 1993 Stadium Club 1st Day Production | $0.25 | — | — |
19921 card
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan [Gold] #30T | 1992 Topps Traded | $0.99 | — | — |
19913 cards
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan #13 | 1991 Topps Desert Shield | $9.84 | $44.50 | $2,601 |
| Mariano Duncan #64 | 1991 Fleer | $1.39 | — | — |
| Mariano Duncan #13 | 1991 Topps Micro | $0.25 | — | — |
19902 cards
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan #U-12 | 1990 Fleer Update | $1.53 | — | — |
| Mariano Duncan #113 | 1990 Donruss Best NL | $0.99 | — | — |
19872 cards
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan #84 | 1987 Donruss Opening Day | $1.99 | — | $8.01 |
| Mariano Duncan #13 | 1987 Topps Mini League Leaders | $0.25 | — | — |
19863 cards
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan #27 | 1986 Fleer Mini | $0.99 | — | $200 |
| Mariano Duncan #10 | 1986 Fleer League Leaders | $0.30 | — | $69.99 |
| Mariano Duncan #33 | 1986 Fleer Star Stickers | $1.73 | — | — |
19851 card
| Card | Set | Raw | PSA 9 | PSA 10 |
|---|---|---|---|---|
| Mariano Duncan #U-38 | 1985 Fleer Update | $1.35 | $16.50 | $45.00 |
Sets featuring Mariano Duncan
All Baseball sets →Best Mariano Duncan cards to grade
Cards with the widest gap between raw and PSA 10 value — where a clean, well-centered copy gains the most from grading.
FAQ
- How many Mariano Duncan cards are there?
- Midpoint tracks 17 Mariano Duncan baseball cards across 17 sets, released between 1985 and 1997. 17 of them have live raw or graded market values.
- What is the most valuable Mariano Duncan card?
- The most valuable Mariano Duncan card tracked by Midpoint is Mariano Duncan #13 from 1991 Topps Desert Shield, currently $2,601 in PSA 10 (raw $9.84).
- What years are Mariano Duncan cards from?
- Mariano Duncan cards tracked by Midpoint run from 1985 to 1997; the earliest cards are from 1985.
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