| ebay.de | n=2 | £2.52 | +133% |
| ebay.it | n=22 | £1.81 | +68% |
| ebay.es | n=2 | £1.56 | +44% |
| ebay.com | n=14 | £1.08 | — |
How is this value calculated?
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 10 | 2 mo | £1.43 | 81.63 |
| it roh NM × 0.876 (Sprach-Faktor aus 147 Karten) | 8 | 3 mo | £1.50 | 4.37 |
Measured error for this era×language (backtest): ±17 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.0534 (Sprach-Faktor aus 134 Karten) | 10 | 2 mo | £1.51 | 1.84 |
| it roh NM × 0.982 (Sprach-Faktor aus 89 Karten) | 8 | 3 mo | £1.68 | 1.7 |
Measured error for this era×language (backtest): ±22 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.0476 (Sprach-Faktor aus 49 Karten) | 10 | 2 mo | £1.50 | 1.39 |
| it roh NM × 0.9429 (Sprach-Faktor aus 42 Karten) | 8 | 3 mo | £1.62 | 0.8 |
Measured error for this era×language (backtest): ±20 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 8 | 3 mo | £1.71 | 65.31 |
| eigene LP-Verkäufe ÷ 0.8866 | 5 | 2 mo | £2.27 | 6.5 |
| en roh NM × 1.1416 (Sprach-Faktor aus 147 Karten) | 10 | 2 mo | £1.62 | 4.8 |
Measured error for this era×language (backtest): ±18 %
No PSA numbers for this print yet — in any language.
| 2026-07-30 | EN | RAW UNKNOWN | Pokemon - Blitzle Holo - SWSH173 - Black Star Promo Card · eBay | £3.93 |
| 2026-07-28 | EN | RAW MP | The Pokémon Company-Blitzle-SWSH Promo-SWSH173-Rapid Strike- · eBay | £1.11 |
| 2026-07-24 | EN | RAW NM | Pokémon TCG Blitzle SWSH173 Black Star Promo Holo Card NM 20 · eBay | £1.30 |
| 2026-07-14 | EN | RAW NM | Blitzle - SWSH173 - SWSH Black Star Promo - Near Mint · eBay | £1.49 |
| 2026-07-12 | EN | RAW UNKNOWN | Blitzle SWSH Black Star Promos SWSH173 Regular Promo Pokémon · eBay | £1.11 |
| 2026-07-12 | EN | RAW NM | Blitzle SWSH173 NM Black Star Promo Holo Pokemon Card · eBay | £2.82 |
| 2026-07-11 | IT | RAW UNKNOWN | SWSH: Carte promozionali Spada e Scudo #SWSH173 Blitzle · eBay | £1.61 |
| 2026-07-10 | IT | RAW LP | BLITZLE SWSH173 HOLOFOIL PROMO SPADA E SCUDO PROMO POKEMON L · eBay | £2.03 |
| 2026-07-08 | IT | RAW NM | Blitzle - Promo SWSH: Sword & Shield Promo Cards SWSH173 NM · eBay | £1.73 |
| 2026-07-08 | IT | RAW UNKNOWN | BLITZLE SWSH173 SPADA E SCUDO POKEMON PROMO (COSMO HOLO, QUA · eBay | £1.32 |
| 2026-07-02 | EN | RAW NM | Pokemon TCG Cards Blitzle SWSH173 Black Star Promo Holo NM · eBay | £2.07 |
| 2026-07-02 | EN | RAW UNKNOWN | Blitzle Holo Promo SWSH: Sword & Shield Promo Cards SWSH173 · eBay | £0.78 |
| 2026-07-01 | EN | RAW MP | Black Star Promo Blitzle SWSH173 Sword and Shield Promos Pok · eBay | £0.75 |
| 2026-06-24 | IT | RAW MP | Carte promozionali Blitzle Holo SWSH: Spada e Scudo SWSH173 | £1.99 |
| 2026-06-20 | IT | RAW NM | Blitzle SWSH173 Holo Promo Sword & Shield Promo Pokemon Holo | £1.91 |
| 2026-06-20 | EN | RAW NM | Blitzle - SWSH173 - SWSH Black Star Promo NM SWSH Promo | £0.80 |
| 2026-06-16 | IT | RAW UNKNOWN | INSANE SWIRL Pokémon Blitzle SWSH173 Sword & Shield Promo Ca | £4.54 |
| 2026-06-15 | IT | RAW NM | Tepig (SWSH172) & Blitzle (SWSH173) Black Star Promos -- Pok | £0.74 |
| 2026-06-11 | IT | RAW NM | Holo Blitzle SWSH173 Promo Spada e Scudo Promo Near Mint | £4.07 |
| 2026-06-11 | EN | RAW NM | Blitzle - Promo SWSH: Sword & Shield Promo Cards SWSH173 NM | £0.79 |
#195 · 
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Frequently asked questions
What will I get for Blitzle SWSH Black Star Promos SWSH173/307 if I want to sell quickly?
Half of all sales fell between £1.11 and £1.99, with a median of £1.74. 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 Blitzle SWSH Black Star Promos SWSH173/307 unrealistic?
The cheapest genuine sales were around £0.78. Offers well below £0.47 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 Blitzle SWSH Black Star Promos SWSH173/307 worth more?
From real sales: English £2.63 (21), Italian £1.74 (32). English fetches about 51 % 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.