Just noticed of this topic and couldn't resist replying.
Why do you even care about his nationality and his currency? He could always "trick" you and ask the equivalent amount of money using the current average exchange rate.
Also who are you to judge whether someone is an "asshole" for buying "expensive" stuff from him or not. Expensive is something subjective, even more when there are max 2 or 3 dudes that deal with Geodata in the market.
As I've previously bought from him, I can