TCGAI.PRO 5.0
Roberto Clemente
#EFEF04C42416 Keep raw
Roberto Clemente card, TCGAI Score 5.0

Certificate #EFEF04C42416 · Baseball

Roberto Clemente

Topps Baseball · #300 · 1966

TCGAI Score

5.0

Excellent Keep raw

Keep raw. Grading costs more than it adds.

Estimate, not an official grade.

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Sub-grades, front and back

Each side is scored out of 10. The lowest sub-grade caps the TCGAI Score.

Front of Roberto Clemente
Front
Back of Roberto Clemente
Back
Category Front Back
Centering 9 10
Corners 6 6.5
Edges 6 7
Surface 5 6
Whitening 5 6
Limiting factor
Surface (5) print snow and age toning
Centering
Back 50/50 L/R, 50/50 T/B Estimated by the AI

What the AI found

Flaws visible at the photo's resolution. A grader under magnification may find more.

No defects listed at this photo resolution.

Surface

Back Light paper toning/aging consistent with age.

Whitening

Front Significant whitening along the bottom edge and corners.

Back Mostly at corners and slight edge exposure.

What this card sells for

An estimate from recent listings, not an appraisal. Prices in USD.

Graded 5

$280

$230 – $320 · 2 sales

Raw, ungraded

$74.13

$35.00 – $125 · 17 listings

Grading premium

+278%

Graded average over raw average

Average sale price by grade
Grade Average Range Sales
7 $570 $470 – $680 2
6 $300 — 2
5 $280 $230 – $320 2
4 $190 $130 – $300 4
3 $110 $100 – $120 4
2 $75.00 — 1

Estimate from eBay listings after removing bundles, wrong sets and outliers. Small samples move a lot. Estimado de graded 4 (muestra propia=2, vecino=4). Baja confianza.

About this card

Background compiled from public web sources. Check it before you buy or sell.

Market outlook

Rising Outlook 8/10

Clemente remains one of the most collected vintage baseball players, and the 1966 Topps #300 is a key issue from his MVP year. Demand for clean, well-centered examples should continue to outpace supply in higher grades.

Next months. Prices should remain firm, with stronger movement in eye-appealing mid- to high-grade copies.

Long term. Likely gradual appreciation over 1-3 years, especially for graded 7+ examples and premium centered copies.

History

Roberto Clemente was a Hall of Fame right fielder for the Pittsburgh Pirates and one of baseball’s most significant figures, remembered for elite all-around play, 3,000 career hits, 12 Gold Gloves, four batting titles, and his humanitarian legacy. His 1966 season was especially notable because he won the National League MVP award, reinforcing the importance of the 1966 Topps #300 card as a key mid-1960s issue for a legendary player.

The card was first released in the 1966 Topps Baseball set, distributed in wax packs and cello/rack products for the 1966 MLB season in the United States.

  • Card #300 is one of the key stars in the 1966 Topps Baseball set, alongside names like Willie Mays and Hank Aaron.
  • Topps listed him as "Bob Clemente" on the card, a common variation of the era.
  • This card comes from Clemente’s 1966 MVP season, which adds strong historical and collector appeal.
  • The 1966 Topps set has 598 cards and features a color player photo with a diagonal team banner design.

Rarity and print run

Tier
Common
Print run
Very High
First printed in
1966 Topps Baseball
Demand
High
Supply
High
  • It was part of a large mainstream Topps base set with broad distribution.
  • High-grade copies are meaningfully tougher to find because centering and corner wear are common.
  • Collector demand is elevated by Clemente’s status, even though the card itself is not rare.

Collector notes

Condition. Check centering first, as 1960s Topps cards are often heavily off-center. Common issues include corner wear, edge chipping, surface scratches, print spots, and wax staining. The dark borders and bright image area can make wear and registration issues easier to see.

Storage. Store in penny sleeves and semi-rigid holders or top loaders, keep in a cool dry environment, and avoid stacking raw cards without sleeves. For higher-grade copies, use graded holders or submit for encapsulation to preserve value and reduce handling damage.

Authenticity. Authentic cards should show period-correct 1966 Topps stock, print quality, and aging consistent with the era. Watch for modern reprints with overly crisp print, unnatural gloss, or paper that feels too stiff or too bright. Compare the front design, font, and card stock thickness to verified examples, and consider professional grading for expensive copies.

Sources: sportscardspro.com, deanscards.com, oldsportscards.com, waxpackgods.com, sportscardinvestor.com

Card details

Name
Roberto Clemente
Game
Baseball
Set
Topps Baseball
Number
300
Year
1966
Rarity
Base
Language
English
Manufacturer
Topps
Identification
Matched on eBay
Certificate
#EFEF04C42416
Graded on
Sep 4, 2026
Views
25

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The TCGAI Score is an AI estimate made from photos. It is not an official grade and third-party grades may differ. Not affiliated with any grading company. Read the AI disclaimer.