What is the starting price for this ungraded card?

The ungraded Buster Posey #756 card is currently listed starting at $15.

How much is a PSA 10 version of this card worth?

A graded PSA 10 version of the 2021 Topps Project 70 card sells for $100.

What set does this baseball card belong to?

This card is part of the 2021 Topps Project 70 Baseball set.

Buster Posey #756 2021 Topps Project 70 Baseball — Card Value

Name: Buster Posey #756 2021 Topps Project 70 Baseball — Card Value
Brand: Baseball

2021 Topps Project 70 Baseball

What the Buster Posey #756 (2021 Topps Project 70 Baseball) card is worth — ungraded vs graded.

Buster Posey #756 2021 Topps Project 70 Baseball value — Ungraded $15 · Grade 9 $40 · PSA 10 $100. Prices updated July 2026.

Set · 2021 Topps Project 70 BaseballNumber · #756

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Value by grade

$15

Ungraded

2.7×

$40

Grade 9

6.7×

$100

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 6.7× raw.

Live on eBay right now

Which version do you have?

If your goal is simply to own a Buster Posey #756 2021 Topps Project 70 Baseball, the Standard version at $15 is the cheapest route. The Rainbow Foil version at $53 offers a premium aesthetic, likely due to its foil finish and perceived desirability among collectors. Casual fans should stick to the Standard, while those seeking a more visually appealing or collectible piece should invest in the Rainbow Foil.

VersionUsedNewBuy

Rainbow FoilBuster Posey [Rainbow Foil] #756 2021 Topps Project 70 Baseball — Card Value$53.09—eBay ↗

Standard— this pageBuster Posey #756 2021 Topps Project 70 Baseball — Card Value$15$99.99eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

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Price data verified against · 1

SportsCardsPro — Buster Posey #756 2021 Topps Project 70 Baseball$15

Item details

Brand: Baseball
Set: 2021 Topps Project 70 Baseball
Sport: Baseball
Number: #756

Buster Posey #756 2021 Topps Project 70 Baseball value

A raw (ungraded) Buster Posey #756 runs around $15, a Grade 9 about $40, and a PSA 10 commands $100.

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.

Price guide

Sold values by grade vs. what sellers ask today

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Condition	Value	Based on
Ungraded	$15	eBay sold comps
Grade 9	$40	eBay sold comps
PSA 10	$100	eBay sold comps

Frequently asked questions

What is the starting price for this ungraded card?: The ungraded Buster Posey #756 card is currently listed starting at $15.
How much is a PSA 10 version of this card worth?: A graded PSA 10 version of the 2021 Topps Project 70 card sells for $100.
What set does this baseball card belong to?: This card is part of the 2021 Topps Project 70 Baseball set.