English language cards, due to being legal for play in nearly every Play! Pokemon region, not just in English-speaking regions, tend to be more valuable than non-English language cards, but value and pricing will still vary by region, both with economy and proximity to other markets with that card available. English language cards are cheaper in the US than they are in the UK, since the UK gets a smaller initial volume and then a lot of English cards from the UK make the rounds in European countries where English is a legal play language but is not the main language of the country.