Rillaboom

SWSH Black Star Promos · SWSH277/307

Market price

€1,86

Price history · RAW

2026-04-08 · €0,59 €7,02 · 2026-07-26

Cross-market · RAW median per marketplace

Spread vs. cheapest market — before shipping/duty/fees

ebay.es	n=2	€3,66	+152%
ebay.it	n=15	€2,12	+46%
ebay.co.uk	n=16	€1,95	+34%
ebay.com	n=7	€1,70	+17%
ebay.de	n=2	€1,45	—

Price per print

🇮🇹 Normal · IT n=13 €2,13

🇬🇧 Normal · EN n=21 €1,86

How is this value calculated?

Ladder estimate · English · ~€1,86 gruen

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
eigene rohe NM-Verkäufe	18	54 d	€1,86	146.94
it roh NM × 0.8695 (Sprach-Faktor aus 161 Karten)	6	2 mo	€1,85	7.46

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €1,86 · Σ g = 154.4

Measured error for this era×language (backtest): ±17 %

Ladder estimate · Deutsch · ~€2,16 gruen

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
en roh NM × 1.193 (Sprach-Faktor aus 97 Karten)	18	54 d	€2,22	2.75
it roh NM × 0.9783 (Sprach-Faktor aus 73 Karten)	6	2 mo	€2,08	2.07

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €2,16 · Σ g = 4.82

Measured error for this era×language (backtest): ±22 %

Ladder estimate · Français · ~€2,33 gelb

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
en roh NM × 1.1169 (Sprach-Faktor aus 47 Karten) · Set +22% nachgeführt	18	54 d	€2,37	1.71
it roh NM × 0.9468 (Sprach-Faktor aus 43 Karten) · Set +22% nachgeführt	6	2 mo	€2,29	1.61

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €2,33 · Σ g = 3.32

Measured error for this era×language (backtest): ±20 %

Gate not green — shown only here, never as the price.

Ladder estimate · Italiano · ~€2,13 gruen

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
eigene rohe NM-Verkäufe	6	2 mo	€2,12	48.98
en roh NM × 1.1501 (Sprach-Faktor aus 161 Karten)	18	54 d	€2,14	8.22

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €2,13 · Σ g = 57.2

Measured error for this era×language (backtest): ±18 %

PSA Population EN Σ 22

PSA 10

5 23%

PSA 9

15 68%

PSA 8

2 9%

PSA · Rillaboom Pin Collection · as of 2026-08-13

Recent sales · 42

2026-07-26	UNKNOWN	RAW UNKNOWN	Pokemon - Rillaboom Holo - SWSH277 - Black Star Promo Card	€1,90
2026-07-22	EN	RAW NM	Pokemon - RILLABOOM - BLACK STAR PROMO - SWSH277 - BLACK STA	€2,60
2026-07-05	IT	RAW UNKNOWN	Carte promozionali Rillaboom SWSH277 SWSH: Spada e Scudo Hol	€2,12
2026-06-27	IT	RAW MP	Carte promozionali Rillaboom SWSH277 SWSH: Spada e Scudo Hol	€2,12
2026-06-27	EN	RAW UNKNOWN	Rillaboom SWSH277 Sword & Shield Black Star Promo Pokemon Po	€0,60
2026-06-23	EN	RAW NM	Pokemon Card Rillaboom SWSH277 Black Star Promo Near Mint	€1,90
2026-06-23	EN	RAW NM	Rillaboom Holo Black Star Promo SWSH277, NM Pokemon Card	€2,31
2026-06-23	EN	RAW UNKNOWN	Rillaboom SWSH277 Cinderace SWSH278 Inteleon SWSH279Togetic	€3,16
2026-06-20	IT	RAW LP	Rillaboom SWSH277 Holo Sword & Shield Promo Pokemon LP viene	€2,12
2026-06-15	IT	RAW UNKNOWN	Rillaboom SWSH277 Holo Promo Spada e Scudo Promo Pokemon leg	€2,12
2026-06-12	IT	RAW NM	Rillaboom - Carte promozionali Holo Promo SWSH: Spada e Scud	€2,13
2026-06-07	IT	RAW NM	Pokémon SWSH Promo HOLO Rillaboom SWSH277 - Vicino a Mint (N	€2,12
2026-06-02	EN	RAW NM	Rillaboom SWSH277 Sword & Shield Black Star Promo Pokemon TC	€0,85
2026-06-01	IT	RAW UNKNOWN	Rillaboom SWSH277 Holo Promo Spada e Scudo Promo Pokemon qua	€2,12
2026-05-31	EN	RAW UNKNOWN	Rillaboom SWSH277 SWSH Black Star Promo Pokemon	€3,20
2026-05-30	EN	RAW UNKNOWN	Rillaboom - SWSH277 - SWSH Holo Black Star Promo - Pokemon T	€0,59
2026-05-29	EN	RAW UNKNOWN	Pokemon TCG Rillaboom SWSH277 SWSH Black Star Promo	€1,80
2026-05-29	EN	RAW NM	Holofoil - Rillaboom - SWSH277 - SWSH277 - SWSH: Sword & Shi	€1,85
2026-05-27	EN	RAW NM	2023 Black Star Promo Rillaboom Holo SWSH277 Near Mint	€1,14
2026-05-24	IT	RAW NM	Rillaboom SWSH277 SWSH: Sword & Shield Promo Cards Holo NM v	€2,12

Frequently asked questions

What will I get for Rillaboom SWSH Black Star Promos SWSH277/307 if I want to sell quickly?

Half of all sales fell between €1,80 and €2,31, with a median of €2,12. Selling fast lands you nearer the lower end; with patience, good photos and a complete title the upper end is achievable.

Below which price is an offer for Rillaboom SWSH Black Star Promos SWSH277/307 unrealistic?

The cheapest genuine sales were around €1,14. Offers well below €0,68 are typically fakes, mislabelled cards or a different variant — ask for photos of all four borders and a close-up of the surface.

Is the English or the German Rillaboom SWSH Black Star Promos SWSH277/307 worth more?

From real sales: English €2,58 (23), Italian €2,12 (21). English fetches about 22 % more.

How does lastsold determine the market value?

lastsold uses only real sales — eBay plus auction houses like Goldin & Fanatics — recent sales count more (recency weighting), outliers and fakes are removed. It's not an estimate but actual sold prices, separated by condition, language and grading.