What is the current resale value for this ungraded card?

The card is listed as ungraded, and its specific resale value is determined by current market demand for the 2018 Bowman Baseball set.

Is the #4 card particularly rare in the 2018 Bowman Baseball set?

The facts provided only list the card number (#4) and set, not its specific rarity within the 2018 Bowman Baseball release.

What sport is this collectible from?

This collectible is from the sport of Baseball.

Zack Greinke [Sky Blue] #4 2018 Bowman Baseball — Card Value

2018 Bowman Baseball

What the Zack Greinke [Sky Blue] #4 (2018 Bowman Baseball) card is worth — ungraded vs graded.

Zack Greinke [Sky Blue] #4 2018 Bowman Baseball value — Ungraded $2. Prices updated June 2026.

Set · 2018 Bowman BaseballNumber · #4

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Which version do you have?

If budget is the main concern, grab the Standard version for only $1. The premium versions like Red ($58) or Gold ($4) offer specific, more limited editions that drive up value. Collectors prioritizing rarity or display should invest in the higher-tier versions. Casual buyers focused on owning the card without significant investment should stick to the cheaper options like the Blue or Green variants.

VersionUsedNewBuy

RedZack Greinke [Red] #4 2018 Bowman Baseball — Card Value$58—eBay ↗

GoldZack Greinke [Gold] #4 2018 Bowman Baseball — Card Value$4.32—eBay ↗

OrangeZack Greinke [Orange] #4 2018 Bowman Baseball — Card Value$4—eBay ↗

GreenZack Greinke [Green] #4 2018 Bowman Baseball — Card Value$2.79—eBay ↗

BlueZack Greinke [Blue] #4 2018 Bowman Baseball — Card Value$2.78—eBay ↗

Sky Blue— this pageZack Greinke [Sky Blue] #4 2018 Bowman Baseball — Card Value$1.77—eBay ↗

StandardZack Greinke #4 2018 Bowman Baseball — Card Value$1.25—eBay ↗

PurpleZack Greinke [Purple] #4 2018 Bowman Baseball — Card Value$1.25—eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

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Price data verified against · 1

SportsCardsPro — Zack Greinke [Sky Blue] #4 2018 Bowman Baseball$1.77

Item details

Brand: Baseball
Set: 2018 Bowman Baseball
Sport: Baseball
Number: #4

Zack Greinke [Sky Blue] #4 2018 Bowman Baseball value

A raw (ungraded) Zack Greinke [Sky Blue] #4 runs around $2, a Grade 9 about null, and a PSA 10 commands null.

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

What this actually trades for — sold values by condition vs. what sellers are asking today

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Condition	Value	Based on
Ungraded	$2	eBay sold comps

Frequently asked questions

What is the current resale value for this ungraded card?: The card is listed as ungraded, and its specific resale value is determined by current market demand for the 2018 Bowman Baseball set.
Is the #4 card particularly rare in the 2018 Bowman Baseball set?: The facts provided only list the card number (#4) and set, not its specific rarity within the 2018 Bowman Baseball release.
What sport is this collectible from?: This collectible is from the sport of Baseball.