Pokémon Japan · Extra Regulation Box (2019)
Updated: November 5, 2026
Got Ninja Boy 040/048? Snap a photo and CardFolio's AI estimates the PSA grade yours would get and what it's worth in its real condition. Your first analysis is free when you sign up (app in Spanish).
Get a free AI grade Price drop alert (paid plan)Ninja Boy 040/048 from Extra Regulation Box (2019) is worth $1.00 raw (ungraded), based on real sales. It is the #17 most valuable of the 20 Extra Regulation Box cards we track.
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Full card list of Extra Regulation Box ›
Rayquaza EX 019/048$99.08PSA 10 $186.13
Mega Gardevoir EX 016/048$29.96
N 036/048$14.92
Shaymin EX 021/048$5.01
VS Seeker 026/048$4.99
Regirock EX 011/048$4.02
Feebas 007/048$3.99
Volcanion EX 003/048$3.99PSA 10 $51.68
Kingdra 018/051To Have Seen the Battle Rainbow$9.98PSA 10 $153.23
Lapras ex 001/019Mudkip Constructed Starter Deck$9.98PSA 10 $643.50
Luxray 004/012Mewtwo LV.X Collection Pack$9.98PSA 10 $170.68
Manectric 025/055ADV Expansion Pack$9.98PSA 10 $79.88
Marshtomp 010 ADV PADV-P Promotional cards$9.98PSA 10 $385.33
Porygon Z 067/081Bandit Ring$9.98
Raticate BREAK 066/080Rage of the Broken Heavens$9.98PSA 10 $89.02
Rhyperior E4 008/018Infernape vs Gallade SP Deck Kit (Infernape)$9.98Ranking: most expensive Pokémon Japan cards ›
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