CristianBold's Bio
I am passionate Romanian banknotes collector. I am a Petroleum Engineer and Project Manager, contributing to great projects in Romania Saudi Arabia and Emirates. I'm collecting Romania, Saudi Arabia, Middle East, Moldova, Transnistria, Petroleum Industry related banknotes, Fibonacci numbers. I have published few articles in IBNS Journal related to Petroleum Industry, Fibonacci numbers and Fibonacci spiral, Romanian Royalty, Arabic Rotators.