Rillaboom #SWSH277 — Pokémon Promo Card Value
Pokémon PromoWhat the Rillaboom #SWSH277 card from Pokémon Promo is worth — ungraded and graded (PSA 10).
Rillaboom #SWSH277 value — Ungraded $2 · Grade 9 $3. Prices updated July 2026.
Set · Pokémon PromoGame · Pokémon
Live on eBay now
↗ Rising · +25%
Value by grade
$2
Ungraded
+50%
$3
Grade 9
Real sold prices per grade — the Grade 9 premium on this card is 1.5× raw.
Complete-in-box price history
Monthly CIB value, based on sold comps.
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Item details
- Brand
- Pokémon
- Set
- Pokémon Promo
- Game
- Pokémon
Rillaboom #SWSH277 (Pokémon Promo) card value
An ungraded Rillaboom #SWSH277 from Pokémon Promo averages around $2. A Grade 9 copy runs about $3, and a PSA 10 gem-mint commands null.
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
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $2 | eBay sold comps |
| Grade 9 | $3 | eBay sold comps |
Frequently asked questions
- What is the price difference between the ungraded and graded versions?
- The ungraded version is priced at $2, while the Grade 9 version is listed for $3.
- Is this a rare card?
- It is listed as a Pokémon Promo from the Pokémon set.
- What game is this card associated with?
- This Rillaboom card is associated with the Pokémon game.
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