What is the starting value for an ungraded Omanyte [Blue Back] #138?

An ungraded copy of the Omanyte [Blue Back] #138 is currently valued around $7.

How much is a PSA 10 graded copy worth?

A PSA 10 graded copy of this Pokémon Japanese Topsun card is valued at $350.

Is the card more valuable in ungraded or graded condition?

The PSA 10 graded condition commands a significantly higher resale value compared to the ungraded price.

Omanyte [Blue Back] #138 — Pokémon Japanese Topsun Card Value

Name: Omanyte [Blue Back] #138 — Pokémon Japanese Topsun Card Value
Brand: Pokémon

Pokémon Japanese Topsun

What the Omanyte [Blue Back] #138 card from Pokémon Japanese Topsun is worth — ungraded and graded (PSA 10).

Omanyte [Blue Back] #138 value — Ungraded $7 · Grade 9 $52 · PSA 10 $350. Prices updated July 2026.

Set · Pokémon Japanese TopsunGame · Pokémon

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Value by grade

Ungraded

7.4×

$52

Grade 9

50.0×

$350

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 50.0× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

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Which version do you have?

For the cheapest way to own Omanyte #138, either the Green Back or Blue Back version is fine at $7 each. These versions offer no significant premium beyond basic card identification. Collectors prioritizing the absolute lowest entry cost should choose either. Those seeking a perceived upgrade or different aesthetic should pay the $7 for either, as the current pricing shows no major difference in scarcity or edition between the two.

VersionUsedNewBuy

Green BackOmanyte [Green Back] #138 — Pokémon Japanese Topsun Card Value$7.35$149.33eBay ↗

Blue Back— this pageOmanyte [Blue Back] #138 — Pokémon Japanese Topsun Card Value$7.05$349.67eBay ↗

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Price data verified against · 1

PriceCharting — Omanyte [Blue Back] #138 (Pokémon Japanese Topsun)$7.05

Item details

Brand: Pokémon
Set: Pokémon Japanese Topsun
Game: Pokémon

Omanyte [Blue Back] #138 (Pokémon Japanese Topsun) card value

An ungraded Omanyte [Blue Back] #138 from Pokémon Japanese Topsun averages around $7. A Grade 9 copy runs about $52, and a PSA 10 gem-mint commands $350.

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	$7	eBay sold comps
Grade 9	$52	eBay sold comps
PSA 10	$350	eBay sold comps

Frequently asked questions

What is the starting value for an ungraded Omanyte [Blue Back] #138?: An ungraded copy of the Omanyte [Blue Back] #138 is currently valued around $7.
How much is a PSA 10 graded copy worth?: A PSA 10 graded copy of this Pokémon Japanese Topsun card is valued at $350.
Is the card more valuable in ungraded or graded condition?: The PSA 10 graded condition commands a significantly higher resale value compared to the ungraded price.