Rillaboom SWSH277, SWSH Black Star Promos Pokémon card

Promo2019Sword & Shield era

RillaboomSWSH Black Star Promos SWSH277 price & value

Ungraded · near mint

Strong data

$0.56

Prices updated today · How we price cards

About this card

As of Sep 28, 2026, Rillaboom SWSH277 from SWSH Black Star Promos is worth about $0.56 ungraded in near-mint condition.

Rillaboom is card SWSH277 in the SWSH Black Star Promos price guide, a set released in November 2019 during the Sword & Shield era. Its rarity is Promo. The artwork is by DOM. In the checklist it sits after Togetic SWSH276 and before Cinderace SWSH278.

It is the 289th most valuable of the 304 priced cards in SWSH Black Star Promos, behind Special Delivery Bidoof SWSH177 (see the most valuable SWSH Black Star Promos cards).

It is one of 18 English Rillaboom cards, and ranks 13th among them by ungraded value; the most valuable is Rillaboom from SWSH Black Star Promos. Compare them all in the most valuable Rillaboom cards.

Price history

Jul 22Aug 8Aug 25Sep 11Sep 28

Now: $0.56
4 weeks: +5.7%
90 days: –
1 year: –
Highest: $0.63
Lowest: $0.53

Recorded history starts July 2026. Earlier history is monthly averages; from July 22, 2026 the line is a 7-day average of daily prices, so single-day swings don’t show.

Matched sold listings

Recent sales

No matched sales on record for this card yet. Low-value and very rare cards often go months between public sales. The price above then leans on marketplace listings, and its confidence mark says so.

Card details

Set: SWSH Black Star Promos
Number: SWSH277
Rarity: Promo
Released: Nov 15, 2019
Era: Sword & Shield
Pokémon: Rillaboom
Pokédex no.: #0812
Illustrator: DOM
Printings: Holofoil

Explore further

SWSH Black Star Promos

Other Rillaboom cards in this set

Same Pokémon

Most valuable Rillaboom cards

All 18

After this set

Later versions

Next in the binder

Nearby in SWSH Black Star Promos

Full checklist

SWSH Black Star Promos

Chase cards from this set

Full ranking

Common questions

How much is Rillaboom SWSH277 SWSH Black Star Promos worth?

As of Sep 28, 2026, Rillaboom SWSH277 SWSH Black Star Promos is worth about $0.56 ungraded in near-mint condition. Recent prices range from $0.56 to $0.56. How we price cards.

What is the most valuable card in SWSH Black Star Promos?

The most valuable card in SWSH Black Star Promos is Special Delivery Bidoof SWSH177, at about $720 ungraded. Rillaboom SWSH277 ranks 289th of 304. See the full SWSH Black Star Promos ranking.

What set is Rillaboom SWSH277 from?

Rillaboom SWSH277 is from the English Pokémon TCG set SWSH Black Star Promos, released Nov 15, 2019, in the Sword & Shield era. Its rarity is Promo.