What is the starting price for an ungraded Omastar [Blue Back] #139?

The ungraded version of the Omastar [Blue Back] #139 is listed starting at $9.

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

A PSA 10 graded copy of the Omastar [Blue Back] #139 is currently valued at $414.

Does the grade significantly impact the resale value of this Pokémon card?

Yes, the difference between the ungraded price ($9) and the PSA 10 price ($414) shows a major impact of grading.

Omastar [Blue Back] #139 — Pokémon Japanese Topsun Card Value

Name: Omastar [Blue Back] #139 — Pokémon Japanese Topsun Card Value
Brand: Pokémon

Pokémon Japanese Topsun

What the Omastar [Blue Back] #139 card from Pokémon Japanese Topsun is worth — ungraded and graded (PSA 10).

Omastar [Blue Back] #139 value — Ungraded $9 · Grade 9 $51 · PSA 10 $414. Prices updated July 2026.

Set · Pokémon Japanese TopsunGame · Pokémon

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Value by grade

Ungraded

5.7×

$51

Grade 9

46.0×

$414

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 46.0× raw.

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Which version do you have?

To simply own Omastar #139, purchase the Green Back for $8. The Blue Back at $9 offers no significant upgrade in edition or scarcity over the Green Back; they are essentially the same card. Collectors prioritizing the absolute lowest entry cost should select the Green Back, while those willing to spend the extra dollar for the Blue Back are paying for a minor aesthetic preference.

VersionUsedNewBuy

Blue Back— this pageOmastar [Blue Back] #139 — Pokémon Japanese Topsun Card Value$8.82$413.5eBay ↗

Green BackOmastar [Green Back] #139 — Pokémon Japanese Topsun Card Value$8.09$230eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

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Price data verified against · 1

PriceCharting — Omastar [Blue Back] #139 (Pokémon Japanese Topsun)$8.82

Item details

Brand: Pokémon
Set: Pokémon Japanese Topsun
Game: Pokémon

Omastar [Blue Back] #139 (Pokémon Japanese Topsun) card value

An ungraded Omastar [Blue Back] #139 from Pokémon Japanese Topsun averages around $9. A Grade 9 copy runs about $51, and a PSA 10 gem-mint commands $414.

What drives the price

Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.

Price guide

Sold values by grade vs. what sellers ask today

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Condition	Value	Based on
Ungraded	$9	eBay sold comps
Grade 9	$51	eBay sold comps
PSA 10	$414	eBay sold comps

Frequently asked questions

What is the starting price for an ungraded Omastar [Blue Back] #139?: The ungraded version of the Omastar [Blue Back] #139 is listed starting at $9.
How much is a PSA 10 graded version of this card worth?: A PSA 10 graded copy of the Omastar [Blue Back] #139 is currently valued at $414.
Does the grade significantly impact the resale value of this Pokémon card?: Yes, the difference between the ungraded price ($9) and the PSA 10 price ($414) shows a major impact of grading.