What is the starting resale price for this ungraded card?

The ungraded Keith Comstock #778 from the 1988 Topps Baseball set starts at $1.

How much more valuable is a PSA 10 compared to an ungraded copy?

A PSA 10 copy of this card is valued at $129, significantly more than the $1 starting price for ungraded versions.

Is this card part of the 1988 Topps Baseball set?

Yes, Keith Comstock #778 is part of the 1988 Topps Baseball set.

Keith Comstock [Blue] #778 1988 Topps Baseball — Card Value

1988 Topps Baseball

What the Keith Comstock [Blue] #778 (1988 Topps Baseball) card is worth — ungraded vs graded.

Keith Comstock [Blue] #778 1988 Topps Baseball value — Ungraded $1 · Grade 9 $6 · PSA 10 $129. Prices updated June 2026.

Set · 1988 Topps BaseballNumber · #778

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Value by grade

Ungraded

6.0×

Grade 9

129.0×

$129

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 129.0× raw.

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Which version do you have?

For the cheapest way to own it, grab the Blue version for just $1. The White ($3) and Standard ($2) versions offer slightly higher perceived value, though in this case, the difference is minimal. Collectors prioritizing the absolute lowest cost should buy the Blue. Those seeking a marginally better piece or a slightly more desirable colorway should spend a little more on the Standard or White versions.

VersionUsedNewBuy

WhiteKeith Comstock [White] #778 1988 Topps Baseball — Card Value$2.9$175.09eBay ↗

StandardKeith Comstock #778 1988 Topps Baseball — Card Value$1.72$114.08eBay ↗

Blue— this pageKeith Comstock [Blue] #778 1988 Topps Baseball — Card Value$1.09$129.45eBay ↗

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SportsCardsPro — Keith Comstock [Blue] #778 1988 Topps Baseball$1.09

Item details

Brand: Baseball
Set: 1988 Topps Baseball
Sport: Baseball
Number: #778

Keith Comstock [Blue] #778 1988 Topps Baseball value

A raw (ungraded) Keith Comstock [Blue] #778 runs around $1, a Grade 9 about $6, and a PSA 10 commands $129.

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	$1	eBay sold comps
Grade 9	$6	eBay sold comps
PSA 10	$129	eBay sold comps

Frequently asked questions

What is the starting resale price for this ungraded card?: The ungraded Keith Comstock #778 from the 1988 Topps Baseball set starts at $1.
How much more valuable is a PSA 10 compared to an ungraded copy?: A PSA 10 copy of this card is valued at $129, significantly more than the $1 starting price for ungraded versions.
Is this card part of the 1988 Topps Baseball set?: Yes, Keith Comstock #778 is part of the 1988 Topps Baseball set.