According to the Wikipedia entry on "Business Cards", various countries employ several standard business card sizes. US/Canada use 3.5 x 2in, UK uses 85 x 55mm, ect.
Apparantly, the following countries use a 90 × 50mm card: Argentina, Brazil, Czech Republic, Finland, Hungary, Israel, Kazakhstan, Poland, Romania, Russia, Serbia, Slovakia, Slovenia, Ukraine, Uzbekistan, Bulgaria, Latvia, Mexico and South Africa
That's great to know, and I'm sure it's accurate, but can anyone tell me what standard sets the sizes for those countries?
I know that many derive from ISO 216, or ISO/IEC 7810 ID-1, but why does that remaining bucket list of countries (and a few others) use a completely arbitrarily defined size? (90 x 50mm)? I would like to find out exactly what that standard is, or if it's just some sort of random cultural deviation.
To be a little more specific, I'm looking for where exactly the 90x50mm size comes from, and if there is any kind of standard behind it. I'd like something beyond simply "it's relatively close to ISO 216, or ISO/IEC 7810 ID-1".
Thanks for any help!