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Mewtwo EX #42

Japanese Best of XY
Release Date April 21, 2017Card Number #42
Ungraded
€15.12
 
Grade 9
€40.56
 
PSA 10
€117.77
 

Mewtwo EX #42 price guide

Current sold value for every grade.
Ungraded€15.12
Grade 2€2.67
Grade 3€2.67
Grade 4€2.67
Grade 5€3.56
Grade 6€4.89
Grade 7€8.05
Grade 8€9.79
Grade 9€40.56
Grade 9.5€44.49
SGC 10€70.29
CGC 10€71.17
PSA 10€117.77
BGS 10€153.04
BGS 10 Black€765.22
CGC 10 Pristine€107.52

Recent sales

Individual completed sales, newest first (Ungraded).
24 Aug 2026Mewtwo EX 042/171 The Best of XY Pokemon Japanese Near Mint Japanese 042/171eBay€15.12
4 Aug 20262017 Near Mint Pokemon Mewtwo EX 042/171 The Best of XY Japanese Japanese 042/171eBay€13.33
5 Jul 20262017 Pokemon Mewtwo #42 Japanese EX Best of XY Japanese #42eBay€50.72
11 Jun 2026Pokemon Card Mewtwo EX 042/171 Best Of XY Rare Holo Japanese NM Japanese 042/141eBay€16.64
11 Jun 2026Mewtwo EX 042/171 The Best of XY Japanese Pokemon [NM] (2) See card #See cardeBay€9.97
8 Jun 2026Pokemon TCG Mewtwo-EX 042/171 The Best of Xy Japanese Holo *MINT* Japanese 042/171eBay€16.01
5 Jun 2026The Pokémon Company Mewtwo EX 042/171 Sm: The Best of XY Holo Japanese HP 170 Japanese 042/171eBay€17.79
28 May 2026Mewtwo EX 042/171 The Best of XY Japanese Pokemon [NM] (1) See card #See cardeBay€10.23
25 May 2026Pokemon Card Mewtwo EX 042/171 Best Of XY Rare Holo Japanese NM Japanese 042/141eBay€4.78
23 May 2026Mewtwo EX 042/171 The Best of XY Pokemon Japanese Near Mint Japanese 042/171eBay€15.12
23 May 20262017 Near Mint Pokemon Mewtwo EX 042/171 Best of XY Reverse Holo Japanese NM Japanese 042/171eBay€13.30
23 May 2026Mewtwo EX 042/171 The Best of XY Japanese Holo Rare Pokemon Card Near Mint Japanese 042/171eBay€13.25
19 May 2026Mewtwo EX 042/171 The Best of XY LP Japanese Pokemon Card TCG Japanese 042/171eBay€11.83
14 May 2026[NM] Pokemon Mewtwo EX 042/171 The Best of XY Japanese Ultra Rare Japanese 042/171eBay€8.00
10 May 2026Mewtwo EX 042/171 Pokemon The Best of XY Japanese Japanese 042/171eBay€12.45
16 Mar 20262017 Pokemon Japanese Best of XY Mewtwo Ex 42/171eBay€11.77
10 Mar 2026[NM] Pokemon Mewtwo EX 042/171 The Best of XY Japanese Japanese 042/171eBay€11.67
8 Mar 2026[NM] Mewtwo EX Pokemon Card Japanese 042/171 The Best of XY Holo 28F35 Japanese 042/171eBay€29.36
6 Feb 2026Pokemon Card Mewtwo EX 042/171 Best Of XY Rare Holo Japanese NM Japanese 042/141eBay€4.89
30 Jan 2026Pokemon Card Mewtwo EX 042/171 Best Of XY Rare Holo Japanese NM Japanese 042/141eBay€9.42
18 Jan 2026Pokemon Card Mewtwo EX 042/171 Best Of XY Rare Holo Japanese NM Japanese 042/141eBay€2.89
16 Jan 20262017 Near Mint Pokemon Mewtwo EX 042/171 Best of XY Reverse Japanese Japanese 042/171eBay€13.33
29 Dec 2025Pokemon Card Mewtwo EX 042/171 Best Of XY Rare Holo Japanese NM Japanese 042/141eBay€12.15
29 Dec 2025(Japanese) Mewtwo EX 042/171 - Best Of XY - Pokémon TCG (NM) JapaneseeBay€13.30
15 Dec 2025Pokemon Card Mewtwo EX 042/171 Japanese - Best Of XY Set - NM JapaneseeBay€6.50

How much is Mewtwo EX #42 (Japanese Best of XY) worth?

Right now an ungraded copy of Mewtwo EX #42 from Japanese Best of XY sells for about €15.12, a PSA 9 for about €40.56 and a PSA 10 for about €117.77. These values are based on 73 recent completed sales, the latest on 18 Oct 2026. Prices are converted from US dollars to euros and updated every few hours.

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