What is the starting value for an ungraded Koffing #109?

Ungraded copies of Koffing [Blue Back] #109 are currently valued starting at $9.

How much is a PSA 10 graded version worth?

A PSA 10 graded copy of this Pokémon Japanese Topsun card sells for $620.

Does the card's set affect its resale value?

This card belongs to the Pokémon Japanese Topsun set, which contributes to its specific market valuation.

Koffing [Blue Back] #109 — Pokémon Japanese Topsun Card Value

Name: Koffing [Blue Back] #109 — Pokémon Japanese Topsun Card Value
Brand: Pokémon

Pokémon Japanese Topsun

What the Koffing [Blue Back] #109 card from Pokémon Japanese Topsun is worth — ungraded and graded (PSA 10).

Koffing [Blue Back] #109 value — Ungraded $9 · Grade 9 $63 · PSA 10 $620. Prices updated July 2026.

Set · Pokémon Japanese TopsunGame · Pokémon

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Value by grade

Ungraded

7.0×

$63

Grade 9

68.9×

$620

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 68.9× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

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Which version do you have?

To simply own Koffing #109, the Green Back version at $6 is the cheapest option. The Blue Back version at $9 offers a slight premium, likely due to its specific printing or desirability, though scarcity is not indicated here. Buyers prioritizing budget should select the Green Back. Those willing to spend a little more for the Blue Back are paying for a minor aesthetic upgrade over the standard offering.

VersionUsedNewBuy

Blue Back— this pageKoffing [Blue Back] #109 — Pokémon Japanese Topsun Card Value$9.39$620.23eBay ↗

Green BackKoffing [Green Back] #109 — Pokémon Japanese Topsun Card Value$6.07$235.96eBay ↗

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PriceCharting — Koffing [Blue Back] #109 (Pokémon Japanese Topsun)$9.39

Item details

Brand: Pokémon
Set: Pokémon Japanese Topsun
Game: Pokémon

Koffing [Blue Back] #109 (Pokémon Japanese Topsun) card value

An ungraded Koffing [Blue Back] #109 from Pokémon Japanese Topsun averages around $9. A Grade 9 copy runs about $63, and a PSA 10 gem-mint commands $620.

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	$63	eBay sold comps
PSA 10	$620	eBay sold comps

Frequently asked questions

What is the starting value for an ungraded Koffing #109?: Ungraded copies of Koffing [Blue Back] #109 are currently valued starting at $9.
How much is a PSA 10 graded version worth?: A PSA 10 graded copy of this Pokémon Japanese Topsun card sells for $620.
Does the card's set affect its resale value?: This card belongs to the Pokémon Japanese Topsun set, which contributes to its specific market valuation.